Journal articles: 'TRAFIC CONDITIONS'

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Yang, Shang Yang, Long Yun Zhang, and Yue Gao. "Application of Attribute Recognition to Highway Conditions Evaluation." Advanced Materials Research 403-408 (November 2011): 2304–8. http://dx.doi.org/10.4028/www.scientific.net/amr.403-408.2304.

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Highway is the primary foundation establishment of a city. Exact and timely evaluation for pavement condition plays an important role in keeping trafic flowing and safe, reducing accident, and bringing into play the estabhsh function of roadways. Base on the attribute recognition theory which makes efect identification and analysis for things, the attribute recognition model of evaluation for pavement condition is discussed, and the power weight is developed with the entropy method, which avoids the subjectivity and increases the reliability. This model introduced a simple and efective appraisal method of highway pavement condition.

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Alary, René, Jacques Donati, and Henri Viellard. "La pollution automobile à Paris influence du trafic et des conditions météorologiques." Science of The Total Environment 169, no. 1-3 (July 1995): 53–61. http://dx.doi.org/10.1016/0048-9697(95)04632-b.

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DOMEC, Vincent. "Prédiction de l'endommagement en fatigue des enrobés bitumineux en conditions réelles d'environnement et de trafic." Revue Française de Génie Civil 7, no. 1 (January 2003): 113. http://dx.doi.org/10.1080/12795119.2003.9692461.

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Domec, Vincent, Denys Breysse, Chantal de La Roche, and Sylvie Yotte. "Caractérisation de la durée de vie en fatigue des enrobés bitumineux en conditions de « trafic simulé » et de température." Revue Européenne de Génie Civil 9, no. 3 (April 2005): 385–400. http://dx.doi.org/10.1080/17747120.2005.9692761.

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Domec, Vincent, Denys Breyssse, Chantal de la Roche, and Sylvie Yotte. "Caractérisation de la durée de vie en fatigue des enrobés bitumineux en conditions de « trafic simulé » et de température." Revue européenne de génie civil 9, no. 3 (March 28, 2005): 385–400. http://dx.doi.org/10.3166/regc.9.385-400.

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Yaba, Olatounde Alexandre, Fabrice Emeriault, Orianne Jenck, Jean-François Ferellec, and Amine Dhemaied. "Évaluation des apports de géogrilles dans une structure d’assise ferroviaire en conditions opérationnelles." Revue Française de Géotechnique, no. 172 (2022): 4. http://dx.doi.org/10.1051/geotech/2022017.

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Dans le cadre de la réhabilitation des lignes ferroviaires classiques (vitesse ≤ 220 km/h), SNCF Réseau propose d’intégrer l’utilisation de géogrilles afin d’optimiser et adapter le dimensionnement des structures d’assises à l’évolution du trafic. Ainsi, plusieurs expérimentations ont été mises en place pour étudier le comportement de géogrilles sous conditions opérationnelles et quantifier leurs apports en termes d’amélioration de portance et de limitation de tassements différentiels. Ces expérimentations in situ comprennent la rénovation, l’instrumentation et le suivi de sections de voies. Elles fournissent des données sur le comportement réel des structures d’assises en ce qui concerne des facteurs tels que le chargement dynamique, le confinement latéral, les variations saisonnières, etc. Cet article présente la mise en place et les premiers résultats d’une telle expérimentation. Les premiers résultats indiquent que l’installation de géogrilles a un impact positif net, notamment grâce à une meilleure répartition de la contrainte dans la structure d’assise. Une mobilisation des géogrilles a été observée par des mesures de déformations de leurs brins transversaux, confirmant ainsi que les granulats sont confinés latéralement par l’enchevêtrement des grains dans les ouvertures de la géogrille. Malgré ces résultats encourageants, ce projet de recherche n’en est encore qu’à ses débuts. Les expérimentations sur le terrain nécessiteront encore plusieurs années de suivi avant que l’on puisse se prononcer définitivement sur l’apport quantitatif des géogrilles dans ce cas d’application.

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Zhang, X., X. Zhang, and H. Zhang. "APPLICATION RESEARCH OF LOD TECHNOLOGY AND THE SHORTEST PATH ALGORITHM IN TRAFIC GEOGRAPHIC INFORMATION SYSTEM." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-2/W13 (June 5, 2019): 1369–74. http://dx.doi.org/10.5194/isprs-archives-xlii-2-w13-1369-2019.

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Abstract. 3D visualization theory and technology has become a new research topic in the field of GIS and digital mapping. Based on a brief analysis of the development status of 3D GIS at home and abroad, this paper introduces the key technologies such as LOD technology and shortest path algorithm commonly used in traffic 3D GIS. The three-dimensional visualization technology in the application of traffic in the field of three-dimensional road network generation, vehicle navigation, simulation driving, etc., the analysis and summary of the vehicle collision model based on driving vehicles to detect road conditions and issue vehicle driving operation instructions, to some extent The simulated driving of the vehicle is realized. Based on the actual 3D geographic information platform, the fusion processing and 3D display of different precision terrain data are realized, and the function modules such as vehicle navigation and simulation driving are developed. The initial practice of LOD technology and shortest path algorithm in traffic 3D information system application was carried out.

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Mamoun, Abdelkrim. "Les infractions liées aux transplantations d’organes en droit pénal algérien et en droit comparé." Arab Law Quarterly 26, no. 4 (2012): 459–80. http://dx.doi.org/10.1163/15730255-12341243.

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Résumé Les transplantations d’organes sont soumises à un ensemble de conditions juridiques, établi par divers systèmes juridiques, parmi lesquels se range le droit algérien. Ces conditions concernent la nécessité de respecter les droits de l’individu sur son corps, en particulier son droit à l’intégrité physique et morale lors de toute intervention de transplantation d’organes. Jusqu’à 2009, le législateur algérien n’avait pas pensé à l’incrimination spécifique des auteurs d’actes liés aux transplantations d’organes : en cas de conséquences préjudiciables, il en référait aux dispositions générales du code pénal concernant l’homicide involontaire et les coups et blessures, volontaires et involontaires. Or ces dispositions ne procurent pas une protection suffisante contre les atteintes au corps humain dans le contexte du prélèvement et de la transplantation d’organes. C’est pour cela qu’en février 2009, le législateur algérien a introduit de nouvelles dispositions pénales relatives à ce domaine spécifique d’infractions, parmi lesquelles on relève les prélèvements d’organes sans consentement préalable et le trafic d’organes humains.

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Normand, France. "La navigation intérieure à Québec au dernier quart du XIXe siècle." Revue d'histoire de l'Amérique française 43, no. 3 (September 24, 2008): 323–51. http://dx.doi.org/10.7202/304812ar.

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RÉSUMÉ La reconstitution du trafic fluvial à l'entrée du port de Québec introduit aux pratiques et aux conditions d’exercice de la navigation sur le Saint-Laurent à la fin du XIXe siècle. Elle permet notamment de mettre en lumière la transformation des bases d’approvisionnement de Québec par eau et soulève du même coup tout le problème de l’évolution des réseaux de relations dans lesquels la ville s’insère. Nos recherches, appuyées sur une cartographie élaborée, montrent que la navigation intérieure est en voie de transformation et connaît même un déclin relatif pendant les dernières décennies du XIXe siècle. L’examen de l’évolution des chargements des petits bateaux révèle à cet effet une réduction importante de l’éventail des marchandises expédiées à Québec par voie fluviale. Parallèlement, l’aire de relations du port de Québec - telle qu’elle se dégage à l’analyse des mouvements de navires - tend graduellement à se contracter.

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Alessandrini, A., and F. Orecchini. "A driving cycle for electrically-driven vehicles in Rome." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 217, no. 9 (September 1, 2003): 781–89. http://dx.doi.org/10.1177/095440700321700903.

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In the research results presented here, an average driving cycle is synthesized for an electrically driven car moving in the city of Rome. The technique of Lyons et al. [1] for synthesizing a statistically representative driving cycle was used on a 5 week acquisition set of data collected with a duly equipped electric Citroen Saxo that was driven for over 3100 km by six different drivers in the months of May and June 2001 in Rome. The driving cycle developed is compared with the other available cycles, especially the European ones. The comparison highlights the need for this new dedicated cycle to represent the driving conditions of electric cars in Rome, with a lower value of the acceleration-speed product on account of the limited power of the electric vehicle, frequent changes in the acceleration sign, typical of the trafic in a big city, and a very high maximum speed, typical of the driving behaviour of the inhabitants of Rome.

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Moukarzel, Pierre. "Les relations commerciales entre Raguse et le sultanat mamelouk du XIVe jusqu'au début du XVIe siècle." Chronos 21 (April 30, 2019): 99–131. http://dx.doi.org/10.31377/chr.v21i0.484.

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Aux XIVe et XVe siècles, avec le grand essor commercial en Méditerranée, la plupart des villes européennes ont participé au trafic du Levant, profitant et bénéficiant de gains et de fortunes ; elles ont établi des relations avec le sultanat mamelouk. Certaines villes, à cause de leurs moyens et leurs conditions politiques et économiques, n'ont pu jouer qu'un rôle limité dans le commerce méditerranéen2, mais elles ont réussi à maintenir leurs activités commerciales avec l'Égypte et la Syrie' jusqu'à la fin du règne mamelouk en 1516-1517. Raguse (aujourd'hui Dubrovnik) est une de ces petites villes marchandes engagées dans le commerce avec le sultanat mamelouk. Dans cet article, nous décrirons d'abord le contexte dans lequel ont évolué les relations entre Raguse et le sultanat mamelouk durant le XIVe et le XVe siècle et nous étudierons ensuite les facteurs qui ont contribué au développement du commerce ragusain et à l'obtention de privilèges similaires à ceux des Vénitiens au début du XVIe siècle.

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Brière, Jean-François. "Le commerce triangulaire entre les ports Terre-Neuviers français, les pêcheries d’Amérique du Nord et Marseille au 18e siècle : nouvelles perspectives." Revue d'histoire de l'Amérique française 40, no. 2 (August 20, 2008): 193–214. http://dx.doi.org/10.7202/304443ar.

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RÉSUMÉ Grâce à une documentation exceptionnellement riche, constituée de la correspondance entre des armateurs granvillais et malouins avec un des principaux consignataires marseillais, pour la vente des cargaisons de morue sèche au 18e siècle, la maison Roux, cet article analyse le commerce triangulaire reliant les ports du Ponant, le Canada et Marseille. Ce commerce qui occupait 30 à 45 bâtiments par saison en temps de paix avec des arrivages annuels d'une valeur de deux à quatre millions de livres atteint, au 18e siècle, un haut degré de complexité où le succès de la campagne dépendait de la rapidité aussi bien des navires qui devaient boucler leur périple triangulaire dans l'année que de l'échange d'informations commerciales. Les nombreuses et fréquentes lettres échangées entre les armateurs et le consignataire révèlent les espoirs, les inquiétudes et les déceptions de ces hommes d'affaires et permettent une analyse microéconomique des conditions dans lesquelles se déroulait ce trafic. En soulignant les risques énormes encourus par les marchands, l'article met également en évidence l'importance du consignataire qui non seulement vendait le poisson et s'occupait de trouver une cargaison de retour, mais aussi prenait souvent part aux armements et assurait les navires.

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Dolfi-Bouteyre, Agnès, Laurent Lombard, Alexandre Hallermeyer, Matthieu Valla, and Claudine Besson. "Détection et caractérisation des tourbillons de sillage des avions par Lidar Doppler." Photoniques, no. 97 (July 2019): 36–39. http://dx.doi.org/10.1051/photon/20199736.

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Dans un contexte où le trafic aérien s'accroît chaque jour, l'optimisation des débits en termes de décollage et d'atterrissage est devenue un enjeu majeur pour les aéroports à forte affluence. Ces débits sont principalement limités par la présence de tourbillons de sillage communément appelés wake vortex. Ceux-ci sont formés après le passage d'un avion et représentent un danger potentiel pour l'avion suivant. Afin d'éviter les accidents, les organisations de sûreté de la navigation aérienne ont défini, il y a plus de quarante ans, des distances de sécurité à respecter entre décollages ou atterrissages successifs. Ces distances prennent en compte la catégorie de poids des deux appareils en considérant des situations pire-cas. De nombreuses études ont été menées pour permettre une meilleure compréhension de ces tourbillons et ont permis de constater que leur comportement varie en fonction des conditions atmosphériques, en particulier en fonction du vent et de la turbulence atmosphérique. Afin d’étudier la dynamique de la masse d’air et l’évolution de ces phénomènes, on utilise depuis une dizaine d’années le Lidar (light detection and ranging). Le Lidar pulsé est devenu l’instrument de référence pour la mesure à distance des tourbillons de sillage (positions et puissance).

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Arnal, Romain, Gülen Ayhan, Éric Pinganaud, Célia Basurko, and Louis Jehel. "Le trouble de stress post-traumatique parmi les détenus en centre pénitentiaire en Guyane française." Mosaïque 41, no. 1 (July 5, 2016): 251–65. http://dx.doi.org/10.7202/1036974ar.

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Soumis à des mouvements de population importants, la Guyane française et son centre pénitentiaire abritent une population métissée chez qui l’histoire récente a laissé une empreinte forte (tremblement de terre en Haïti, guerre civile au Suriname, violence liée à l’orpaillage et au trafic de stupéfiants). Ces événements de vie négatifs apparaissent comme autant de vecteurs potentiels de psychotraumatismes. Dans ces conditions, il nous a paru essentiel de mettre l’accent sur le repérage du trouble de stress post-traumatique (TSPT) dans cette population sensible. À l’aide d’entretiens d’accueil dédiés, nous nous sommes proposé de repérer les TSPT, de décrire sur un plan sociodémographique la population étudiée et de rechercher les comorbidités psychiatriques. Le résultat principal de cette étude était une prévalence du TSPT de 17 % chez les arrivants en détention. Le MINI 5.0 a montré une prévalence plus élevée des pathologies psychiatriques dans le groupe présentant un TSPT avec un lien très fort (p < 0,005) pour l’épisode dépressif majeur actuel, l’épisode maniaque ou hypomaniaque actuel et le risque suicidaire. Cette étude appuie la nécessité d’avoir un dépistage systématique du TSPT chez les arrivants en détention. Cette pathologie est à la fois fréquente dans cette population et invalidante, mais ce sont ses comorbidités, dont le potentiel suicidaire, qui font tout l’enjeu d’un repérage précoce.

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Ganesh, V., M. Mohansairam, P. Manoj Kumar, K. Laxmi Bharadwaj, and Md Asif Baba. "A Study on Saturated Traffic Flow at Signalized Intersections Under Mixed Traffic Conditions." International Journal of Research Publication and Reviews 4, no. 3 (March 17, 2023): 2939–46. http://dx.doi.org/10.55248/gengpi.2023.4.33649.

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Lahousse, Philippe, and Catherine Romelé. "Le ravin des sables (Hautes-Alpes, France) : une nouvelle source de risque dans la vallée de la Clarée." Géographie physique et Quaternaire 54, no. 3 (October 2, 2002): 271–80. http://dx.doi.org/10.7202/005652ar.

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Résumé Dans la soirée du 24 juillet 1995, une lave torrentielle d'un volume compris entre 12 000 et 15 000 m 3 s'est répandue sur le cône du torrent des Sables, provoquant l'interruption du trafic routier entre Briançon et Névache pendant plusieurs heures, ainsi que l'obstruction du lit de la Clarée sur une section d'environ 80 m. Après avoir décrit les caractéristiques de cette coulée (conditions de déclenchement, extension des engravements, vitesses de propagation et spécificité granulométrique), le caractère exceptionnel de l'événement est analysé à l'aide des données historiques, de relevés détaillés de la topographie du cône de déjection et de prélèvements de bois pour préciser l'âge de la colonisation végétale des anciennes coulées torrentielles identifiées sur le cône. Il en ressort qu'il s'agit d'un phénomène d'ampleur inhabituelle, au moins à l'échelle des 150 dernières années. En modifiant les conditions topographiques sur le cône de déjection, celui-ci a sensiblement accru le risque d'engravement de la route départementale 994g et d'obturation latérale du lit de la Clarée. En effet, les bourrelets latéraux édifiés à cette occasion canalisent dorénavant les écoulements, ce qui permet à des laves nettement plus modestes d'atteindre la confluence avec la rivière de fond de vallée. C'est d'ailleurs ce qui s'est passé dans la nuit du 19 au 20 septembre 1999, où une coulée d'un volume compris entre 1 500 à 2 000 m 3 a eu les mêmes effets que l'épisode du 24 juillet 1995. Ainsi, le ravin des Sables constitue désormais une menace réelle, au moins équivalente à celle reconnue depuis longtemps pour le torrent limitrophe de la Pinatelle.

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Razzok, Mohammed, Abdelmajid Badri, Ilham EL Mourabit, Yassine Ruichek, and Aïcha Sahel. "Pedestrian detection under weather conditions using conditional generative adversarial network." IAES International Journal of Artificial Intelligence (IJ-AI) 12, no. 4 (December 1, 2023): 1557. http://dx.doi.org/10.11591/ijai.v12.i4.pp1557-1568.

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Nowadays, many pedestrians are injured or killed in traffic accidents. As a result, several artificial vision solutions based on pedestrian detection have been developed to assist drivers and reduce the number of accidents. Most pedestrian detection techniques work well on sunny days and provide accurate traffic data. However, detection decreases dramatically in rainy conditions. In this paper, a new pedestrian detection system (PDS) based on generative adversarial network (GAN) module and the real-time object detector you only look once (YOLO) v3 is proposed to mitigate adversarial weather attacks. Experimental evaluations performed on the VOC2014 dataset show that our proposed system performs better than models based on existing noise reduction methods in terms of accuracy for weather situations.

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Niño-Mora, José, and Kevin D. Glazebrook. "Assessing an intuitive condition for stability under a range of traffic conditions via a generalised Lu-Kumar network." Journal of Applied Probability 37, no. 3 (September 2000): 890–99. http://dx.doi.org/10.1239/jap/1014842844.

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We argue the importance both of developing simple sufficient conditions for the stability of general multiclass queueing networks and also of assessing such conditions under a range of assumptions on the weight of the traffic flowing between service stations. To achieve the former, we review a peak-rate stability condition and extend its range of application and for the latter, we introduce a generalisation of the Lu–Kumar network on which the stability condition may be tested for a range of traffic configurations. The peak-rate condition is close to exact when the between-station traffic is light, but degrades as this traffic increases.

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Niño-Mora, José, and Kevin D. Glazebrook. "Assessing an intuitive condition for stability under a range of traffic conditions via a generalised Lu-Kumar network." Journal of Applied Probability 37, no. 03 (September 2000): 890–99. http://dx.doi.org/10.1017/s0021900200016077.

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We argue the importance both of developing simple sufficient conditions for the stability of general multiclass queueing networks and also of assessing such conditions under a range of assumptions on the weight of the traffic flowing between service stations. To achieve the former, we review a peak-rate stability condition and extend its range of application and for the latter, we introduce a generalisation of the Lu–Kumar network on which the stability condition may be tested for a range of traffic configurations. The peak-rate condition is close to exact when the between-station traffic is light, but degrades as this traffic increases.

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Yulianto, Budi. "Traffic Signal Controller for Mixed Traffic Conditions." IOSR Journal of Mechanical and Civil Engineering 4, no. 1 (2012): 18–26. http://dx.doi.org/10.9790/1684-0411826.

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Silva, Cristiano M., Andre L. L. Aquino, and Wagner Meira. "Smart Traffic Light for Low Traffic Conditions." Mobile Networks and Applications 20, no. 2 (February 8, 2015): 285–93. http://dx.doi.org/10.1007/s11036-015-0571-x.

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SONY, BODANAPU. "Analysis of Roadway Crash Prediction Studies on Urban Roads under Heterogeneous Traffic Conditions." Journal of Research on the Lepidoptera 51, no. 1 (February 28, 2020): 292–301. http://dx.doi.org/10.36872/lepi/v51i1/301025.

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Postranskyy, Taras, and Mykola Boikiv. "Influence of mountain traffic conditions on the functional state of a bus driver." Transport technologies 2021, no. 2 (December 10, 2021): 20–29. http://dx.doi.org/10.23939/tt2021.02.020.

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Ensuring the transport process requires proper interaction of all parts of the system "driver - car - road - environment" and its subsystems. In this case, the driver is often a "weak" component of the system, and his actions can reduce the level of road users` safety. It should be noted that the reliability of the driver can be considered as the probability of his trouble-free and error-free operation, as well as the proper level of his regulatory mechanisms functioning. In this case, to analyze the activities and readiness of the driver for his professional activities, indicators of functional status are often used. Thus, the study of the "human factor" in the transport process is an important task to ensure the reliability of the whole transport system. Today the most of all transportation is carried out by road. The timeliness and safety of cargo delivery and passenger safety depend on the driver's actions. At the same time, the driver is influenced by a considerable number of external environmental factors during his work. One of the most important factors is the mountainous traffic conditions, which often have many changes in plan and the profile of roads. Another feature of such traffic conditions is the height above sea level, affecting the human body, particularly its functional state. Considering the above, the paper measures the heart rate variability of bus drivers moving on a route that was partly in the mountain's conditions. During the research, video recording and registration of the vehicle's geolocation were also carried out. This made it possible to establish indicators of the driver`s functional state in specific periods. After processing the obtained values, the influence of mountainous traffic conditions on the bus drivers` indicator of regulatory systems’ activity was established.

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Thankappan, Ajitha, and Lelitha Vanajakshi. "A traffic stream model for heterogeneous traffic conditions." Proceedings of the Institution of Civil Engineers - Transport 167, no. 4 (August 2014): 240–47. http://dx.doi.org/10.1680/tran.12.00038.

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Febtriko, Anip, and Wita Yulianti. "Application Of The Concept And Monitoring Of Robot Line Follwer As a Prototype Of Pekanbaru Trans Metro Bus Towards The Revolution Industry 4.0 (Penerapan Konsep Dan Monitoring Robot Line Follwer Sebagai Prototipe Bus Trans Metro Pekanbaru Menuju Era Revo." Jurnal KomtekInfo 6, no. 2 (November 19, 2019): 117–26. http://dx.doi.org/10.35134/komtekinfo.v6i2.50.

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Public transportation is a major part of developing an advanced and modern city. Progress in public transportation is needed to be planned and realized to deal with the development of the city together with population and economic growth. The use of the Trans Metro Pekanbaru bus transportation is not in line with the development and progress of the City of Pekanbaru, which wants to be a smart city, where the role of the Internet of Things (IoT) needs to be realized in building smart cities and currently the use of the Trans Metro Pekanbaru bus in Pekanbaru is still becoming a problem. it needs to be resolved like the Trans Metro Pekanbaru bus lane which still uses a shared lane which causes congestion and lack of good trafic regulations. Trans Metro Pekanbaru bus transportation is still weak in terms of arrival and departure times. Trans metro Pekanbaru has not yet been integrated in a system that can be monitored centrally through the application of an application system based on the Global Positioning System (GPS). To overcome this problem, it is necessary to have the Trans Metro Pekanbaru bus transportation in the form of a prototype line follower robot which is a solution to overcome this problem. The purpose of this research is to make the line follower robot as a trans-metro silmulation bus for Pekanbaru become a smart city that is able to serve and facilitate the public's need for public transportation towards the industrial revolution 4.0. Line follower robot is a robot that works by following a line in the form of a road such as a traf ic lane, where the robot works using photodiode sensors and ultrasonic sensors as proximity sensors so that it stops automatically at every stop or place where passengers rise and fall. Line follower robots are automatically controlled so programming code and fuzzy algorithms are needed. Line follower robots are also equipped with Closed Circuit Television (CCTV) to determine passenger conditions.

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Lushnikov, P. A., N. A. Lushnikov, V. A. Kretov, and A. V. Kostsov. "Road conditions and traffic speeds." IOP Conference Series: Materials Science and Engineering 1159, no. 1 (June 1, 2021): 012023. http://dx.doi.org/10.1088/1757-899x/1159/1/012023.

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Lüdecke, Cornelia. "Tragic outcome of extreme conditions." Nature 414, no. 6860 (November 2001): 150–51. http://dx.doi.org/10.1038/35102634.

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Babović, R., B. D. Kačavenda, D. B. Ilić, and M. Cvijanović. "Traffic accidents and biometeorological conditions." Resuscitation 81, no. 2 (December 2010): S83. http://dx.doi.org/10.1016/j.resuscitation.2010.09.342.

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Güremen, Lale. "EVALUATION OF TRAFFIC NOISE ON THE MAIN ROADS OF AMASYA CITY CENTER WITH RESPECT TO TRAFFIC CONDITIONS AND STANDARTS." e-Journal of New World Sciences Academy 9, no. 4 (October 14, 2014): 26–47. http://dx.doi.org/10.12739/nwsa.2014.9.4.1a0353.

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Abramova, Liudmyla, Valerii Shyrin, Hennadii Ptytsia, and Serhii Kapinus. "Dynamic control over traffic flow under urban traffic conditions." Eastern-European Journal of Enterprise Technologies 4, no. 3 (106) (August 31, 2020): 34–43. http://dx.doi.org/10.15587/1729-4061.2020.210170.

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Royko, Yuriy, Yurii Yevchuk, and Romana Bura. "Minimization of traffic delay in traffic flows with coordinated control." Transport technologies 2021, no. 2 (December 10, 2021): 30–41. http://dx.doi.org/10.23939/tt2021.02.030.

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The method and results of transport research, carried out by field research method, on the determination of the main indicators of traffic flows with significant unevenness of the movement on the arterial street in conditions of coordinated control is reviewed in the paper. Time parameters of traffic light control for which a reduction in traffic delay is achieved in direct and opposite traffic flow by the change of permissive signal depending on traffic intensity are determined using the simulation method. Change (increase) of the duration of the permissive signal provides uninterrupted movement of vehicles` group during their passage of stop-line at traffic light objects. The proposed method can be used on sections of transport networks with coordinated control, where there is significant heterogeneity of traffic flow, and it prevents the dissipation of groups that consist of vehicles with different dynamic characteristics. Such a result is being performed in the case when in the system of automated control, which combines adjacent intersections on an arterial street, fixed-time program control of traffic light signalization is operating. In this condition, there is a possibility to adjust the duration of signals of traffic light groups by correcting the width (permissive signal duration) and angle of inclination (speed of movement) of the timeline in coordination graphs. The scientific novelty of this research is that the method of traffic delay minimization in conditions of coordinated control acquired further development. The essence of the method is in the controlled change of the range of permissive signal duration in conditions of simultaneous control of the speed of movement between adjacent intersections. Practical value is the application of different programs of traffic light control on sections of arterial streets in transport districts where a significant difference of values of traffic intensity by directions is in morning and evening peak periods.

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Palchyk, Anatolii. "DEVELOPMENT OF MEASURES TO IMPROVE ROAD CONDITIONS ON ROAD SECTIONS BASED ON THE ANALYSIS OF TRAFFIC CONDITIONS." Dorogi i mosti 2021, no. 24 (October 1, 2021): 159–68. http://dx.doi.org/10.36100/dorogimosti2021.24.159.

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Introduction. The analysis of road capacity is carried out. Problem statement. One of the reasons for the appointment of the road reconstruction or part of it is the deterioration of traffic safety, resulting in an increase in the number of victims and material losses during traffic accidents. Road capacity is an important indicator during highway reconstruction. The analysis of the road section capacity makes it possible to assess the work of the road during its entire life cycle from the moment of its commissioning to the moment of reconstruction. Existing methods for determining the practical traffic lane capacity, the maximum traffic volume on the highway section give ambiguous results that need to be improved. Purpose. The purpose of the work is to study the average speed, which is one of the factors that determine the maximum traffic volume on the road. Materials and methods. Analysis of the results of experimental studies of average speeds of free movement of different type of vehicles on roads of different categories. Results. The general form of equations of dependence of average traffic speed on radii of horizontal curves and speed on a longitudinal slope is established; the impact of road conditions on the traffic speed according to the study of graphs of average speeds before and after the improvement of traffic conditions on road sections was analyzed. Conclusions. Based on the assessment of traffic conditions with the provision of maximum traffic volume on road sections between intersections and junctions, which determine the traffic volume between them, it is possible to address the need for partial or complete reconstruction of the highway. Keywords: road capacity, traffic volume, highway, intersection, junctions, traffic speed, highway reconstruction.

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Cao, Fengyun, Sijing Chen, Jin Zhong, and Yikai Gao. "Traffic Condition Classification Model Based on Traffic-Net." Computational Intelligence and Neuroscience 2023 (January 19, 2023): 1–13. http://dx.doi.org/10.1155/2023/7812276.

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The classification and detection of traffic status plays a vital role in the urban smart transportation system. The classification and mastery of the traffic status at different time periods and sections will help the traffic management department to optimize road management and implement rescue in real time. Travelers can follow the traffic conditions. We choose the best route to effectively improve travel efficiency and safety. However, due to factors such as weather, time of day, lighting, and sample labeling costs, the existing classification methods are insufficient in real time and detection accuracy to meet application requirements. In order to solve this problem, this article aims to effectively transfer and apply the pretrained model learned on large-scale image data sets to small-sample road traffic data sets. By sharing common visual features, model weight parameter migration, and fine-tuning, the road is finally optimized. Traffic conditions classification is based on Traffic-Net. Experiments show that the method in this article can not only obtain a prediction accuracy of more than 96% but also can effectively reduce the model training time and meet the needs of practical applications.

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Vladimirov, S. N. "Traffic jams in conditions of megapolis." Izvestiya MGTU MAMI 8, no. 1-3 (May 10, 2014): 77–84. http://dx.doi.org/10.17816/2074-0530-67589.

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The issue of traffic is one of the most significant for all major cities. This article discusses issues related to road traffic conditions in traffic jams, the same situations considered and their solutions are provided for European cities and for Moscow.

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O, Lanovoy, Kyselov V, and Vyhovska I. "LATEST ASSESSMENT OF TRAFFIC CONDITIONS ON ROADS «TRIAD OF TRAFFIC»." National Transport University Bulletin 1, no. 48 (2021): 166–77. http://dx.doi.org/10.33744/2308-6645-2021-1-48-166-177.

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The article explores the driving conditions for determining the demand of drivers of vehicles for the movement of roads, the road conditions of which should ensure this demand. The object of the study is automobile international and national transport corridors. When optimizing the management of the complex transport system «International, national and local traffic flows - Automotive International and National Transport Corridors» (MNMTP-AMNTC) can be sought to achieve different goals (criteria of optimality), and, depending on these goals, consider the different tasks of optimal management. On road transport, including in this concept of the system of communication routes (highways), the following tasks are the most important: ensuring the least time of communication at limited road costs; - ensuring the specified time of communication at the lowest road costs; - ensuring the lowest transport costs at a limited level of road costs; - ensuring the lowest road costs at a limited level of transport costs; - ensuring the maximum possible level of traffic safety at a limited level of road costs; - ensuring the required level of traffic safety at the lowest road costs; to achieve a minimum of road costs, provided that the specified volume of traffic (traffic), the specified speed and the necessary safety of traffic; ensuring maximum road capacity at a limited level of road costs. According to its parameters, the MMMTP-AMNTC refers to complex systems, the main characteristics of which are: efficiency indicator; stability; obstruction; Reliability. The newest approach of the «Traffic Triad» will allow to evaluate the functioning and ensure the rational management of any transport system with a focus on meeting the needs of users of highways - road users. KEYWORDS: HIGHWAY NETWORK, INTERNATIONAL, NATIONAL AND LOCAL TRAFFIC FLOWS, ROAD INTERNATIONAL AND NATIONAL TRANSPORT CORRIDORS.

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Turochy, Rod E., and Brian L. Smith. "Measuring Variability in Traffic Conditions by Using Archived Traffic Data." Transportation Research Record: Journal of the Transportation Research Board 1804, no. 1 (January 2002): 168–72. http://dx.doi.org/10.3141/1804-22.

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The predictability of transportation service is of great importance to travelers. Whereas most transportation performance measures deal more directly with congestion, such as through delay measures, few quantify the level of predictability of travel. A new measure that effectively measures predictability of transportation service, the variability index, was developed and demonstrated. The variability index is a good example of the application of data mining in large transportation databases. Conceptually based on multivariate statistical quality control (MSQC), the variability index is computed by measuring the size (spatial volume) of the confidence regions defined by MSQC by using large sets of archived traffic data. In other words, experience (archived traffic data) is mined to measure the level of variability experienced by time and location. A case study application of this procedure demonstrates how this measure can clearly identify times of day and days of the week that experience relatively high degrees of variability in traffic conditions—or less predictable service for the traveler.

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Hong, H. P., and S. Somo. "Probabilistic assessment of pavement conditions." Canadian Journal of Civil Engineering 28, no. 5 (October 1, 2001): 813–22. http://dx.doi.org/10.1139/l01-035.

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Pavements are subjected to repeated traffic and environmental actions. These actions lead to the degradation of pavement and affect the pavement performance. The assessment of pavement performance is important not only for selecting pavement design parameters but also for choosing pavement maintenance and rehabilitation strategies. The traffic loads, the environmental actions, and the properties of pavement material are uncertain. These uncertainties must be taken into account when predicting the pavement performance. Since the traffic and environmental actions vary with time, they should be modeled as stochastic processes. In this study, stochastic models of the net traffic load growth and environmental actions are proposed based on the rectangular pulse processes. These models can be used in conjunction with the Ontario Pavement Analysis of Cost (OPAC) model to predict flexible pavement performance in a probabilistic framework. The prediction of pavement performance for a typical pavement was carried out by using the simple simulation technique and the first-order reliability method. The analysis results suggest that the predicted pavement serviceability measured in terms of the riding comfort index depends on the correlation between traffic effects in each year and the correlation between the environmental actions in each year. The results also suggest that the uncertainty in the riding comfort index is controlled by the uncertainty in traffic and environmental actions in the early stage of service, while it is dominated by the material property of the subgrade in the later stage of service.Key words: deterioration, reliability, pavement, serviceability, stochastic process.

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Rosita, Yesy Diah, Ronny Makhfuddin Akbar, and Fajar Indra Kurniawan. "Indicator of Highway Conditions on Traffic Density Levels." IJEEIT : International Journal of Electrical Engineering and Information Technology 6, no. 1 (March 31, 2023): 37–43. http://dx.doi.org/10.29138/ijeeit.v6i1.2133.

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Traffic problems, especially congestion which is the impact of high levels of traffic density, are problems that have not been properly resolved, especially in big cities in Indonesia. In this article, 7 features of road conditions are proposed on the level of traffic density. These features include the number of vehicles, the average speed of the vehicle, the area of the main road, the length of traffic that has been determined, the duration of traffic congestion, and the time of traffic congestion. Determining the level of traffic density can be determined by utilizing the MCDM hybrid technique to produce information that can be used to support decision-making in traffic management or other policies such as formulating policies on the buying and selling of private vehicles. The number of indicators related to computer vision for presenting information on the level of traffic density requires a large amount of time and memory. Besides that, the perception of a decision maker in determining priority weights also influences the results of the information on the level of traffic density.

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Tu, Qiang, Lin Cheng, Dawei Li, Jie Ma, and Chao Sun. "Traffic Paradox Under Different Equilibrium Conditions Considering Elastic Demand." PROMET - Traffic&Transportation 31, no. 1 (February 21, 2019): 1–9. http://dx.doi.org/10.7307/ptt.v31i1.2795.

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Traffic paradox is an important phenomenon which needs attention in transportation network design and traffic management. Previous studies on traffic paradox always examined user equilibrium (UE) or stochastic user equilibrium (SUE) conditions with a fixed traffic demand (FD) and set the travel costs of links as constants under the SUE condition. However, traffic demand is elastic, especially when there are new links added to the network that may induce new traffic demand, and the travel costs of links actually depend on the traffic flows on them. This paper comprehensively investigates the traffic paradox under different equilibrium conditions including the user equilibrium and the stochastic user equilibrium with a fixed and elastic traffic demand. Origin-destination (OD) mean unit travel cost (MUTC) has been chosen as the main index to characterize whether the traffic paradox occurs. The impacts of travelers’ perception errors and travel cost sensitivity on the occurrence of the traffic paradox are also analyzed. The conclusions show that the occurrence of the traffic paradox depends on the traffic demand and equilibrium conditions; higher perception errors of travelers may lead to a better network performance, and a higher travel cost sensitivity will create a reversed traffic paradox. Finally, several appropriate traffic management measures are proposed to avoid the traffic paradox and improve the network performance.

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Fazio, Joseph, Rohan Shetkar, and Tom V. Mathew. "Traffic evacuation time under nonhomogeneous conditions." International Journal of Injury Control and Safety Promotion 24, no. 2 (September 22, 2015): 183–88. http://dx.doi.org/10.1080/17457300.2015.1088040.

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Komaya, K., and M. Asuka. "Rail Traffic Control Under Disrupted Conditions." IFAC Proceedings Volumes 33, no. 9 (June 2000): 77–82. http://dx.doi.org/10.1016/s1474-6670(17)38127-2.

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Shepherd, Simon. "Traffic control in over‐saturated conditions." Transport Reviews 14, no. 1 (January 1994): 13–43. http://dx.doi.org/10.1080/01441649408716864.

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Nurfarhanah, Nurfarhanah, Rezki Hariko, Firman Firman, Zikry Latupasjana Ersya, and Maya Mashita Rachmi. "Students' self-regulation conditions in traffic." JRTI (Jurnal Riset Tindakan Indonesia) 7, no. 3 (August 30, 2022): 569. http://dx.doi.org/10.29210/30031483000.

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Today traffic accidents that happen in domination by high school students, shows that traffic violations need important handling to be overcome. this research objects to analyze students' regulation conditions in traffic violations. This type of research is a descriptive study with a quantitative approach, using a data collection tool in the form of a self-regulation questionnaire in traffic. The subjects of this study were vocational high school students. The sample in this study was 65 vocational high school students. Subjects were taken by simple random sampling technique. This study uses data analysis techniques with descriptive analysis. The results of this study indicate that self-regulation consists of various aspects. Each aspect has a different percentage. The aspect of metacognition ability has a moderate percentage of 60.0%, the motivational aspect of self-regulation has the lowest percentage with 55.4%, while the behavioral aspect has a percentage of 66.2% in the medium category. The results of this study can be used as information for counseling teachers or counselors as a basis in efforts to provide assistance to students to improve adolescent self-regulation in traffic in order to prevent negative behavior, one of which is traffic violations that often occur in adolescents.

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Ulrich, E., and G. W. Israël. "Diesel soot measurement under traffic conditions." Journal of Aerosol Science 23 (January 1992): 925–28. http://dx.doi.org/10.1016/0021-8502(92)90563-b.

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TERBORG, HEINRICH, and LUIS A. PÉREZ. "MINIMAL TRAFFIC MODEL WITH SAFE DRIVING CONDITIONS." International Journal of Modern Physics C 23, no. 03 (March 2012): 1250017. http://dx.doi.org/10.1142/s0129183112500179.

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We have developed a new computational traffic model in which security aspects are fundamental. In this paper we show that this model reproduces many known empirical aspects of vehicular traffic such as the three states of traffic flow and the backward speed of the downstream front of a traffic jam (C), without the aid of adjustable parameters. The model is studied for both open and closed single lane traffic systems. Also, we were able to analytically compute the value of C as 15.37 km/h from a relation that only includes the human reaction time, the mean vehicle length and the effective friction coefficient during the braking process of a vehicle as its main components.

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Chen, Yuanyuan, Yisheng Lv, Peijun Ye, and Fenghua Zhu. "Traffic-Condition-Awareness Ensemble Learning for Traffic Flow Prediction." IFAC-PapersOnLine 53, no. 5 (2020): 582–87. http://dx.doi.org/10.1016/j.ifacol.2021.04.146.

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Turochy, Rod E. "Enhancing Short-Term Traffic Forecasting with Traffic Condition Information." Journal of Transportation Engineering 132, no. 6 (June 2006): 469–74. http://dx.doi.org/10.1061/(asce)0733-947x(2006)132:6(469).

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ÖZİNAL AVŞAR, Yağmur, and Ercan AVŞAR. "SHORT-TERM TRAFFIC STATE ESTIMATION USING BREAKPOINT FLOW CALCULATION AND MACHINE LEARNING METHODS." Scientific Journal of Silesian University of Technology. Series Transport 115 (June 30, 2022): 121–34. http://dx.doi.org/10.20858/sjsutst.2022.115.9.

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Estimation of the state of road trafﬁc conditions is gaining increasing attention in recent intelligent transportation systems. Accurate and real-time estimation of traffic condition changes is critical in the management and control of road network systems. Thus, efforts are been made to predict short-term traffic conditions based on measured traffic data such as speed, flow and density. In this work, the state of the traffic is estimated through a three-step process. First, both speed and flow predictions for 15-minute ahead are made for a particular freeway segment. Four different regression models are used for the prediction task, namely, multi-layer perceptron neural networks (MLPNN), support vector regression (SVR), gradient boosted decision trees (GBDT), and k-nearest neighbors (kNN). Next, the breakpoint (BP) flow is calculated using the distribution of these predicted speed and flow values. In the final step, these predictions are classified as belonging to a “stable state” or “metastable state” by using the calculated BP as the threshold between these states. According to the experimental results, the values for MLPNN are the highest for speed (0.8564) and flow (0.9862) predictions. An identical BP, 1050 pc/15min, is calculated for actual data as well as all prediction methods.

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Davidich, Yuri, Yevhen Kush, and Denys Ponkratov. "Change of car driver`s stress index during different periods of the day in urban traffic conditions." Transport technologies 2020, no. 2 (November 9, 2020): 23–32. http://dx.doi.org/10.23939/tt2020.02.023.

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Nowadays, the transport industry plays an important role in human well-being and the functioning of any settlement. Transport systems are involved in almost all areas of production and services. Therefore, any failure in its operation can lead to significant material costs. One of the most important such systems is “driver - vehicle - road - environment”. It should be noted, that the main link in it is “driver”. The correctness and duration of decision-making in different road situations depend on the driver`s functional state. This directly affects the level of traffic safety. Consequently, the tasks of modern transport research are the introduction of methods of the vehicle driver`s conditions monitoring and the detection of his fatigue in its early stages. That`s why the actuality of studying the human operator role in the transport process and the creation of modern means of driving assistance are increasing now.

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Knou, Khaled. "Contemporary Traffic Laws from the Perspective of Islamic Law." Journal of Islamic and Religious Studies 7, no. 1 (June 20, 2020): 131–48. http://dx.doi.org/10.36476/jirs.7:1.06.2022.07.

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Modern countries have paid great attention to the issue of traffic safety and considered that transportation is one of the mainstays of the state entity, given the tragic facts left behind by traffic accidents, and they have taken preventive measures to ensure safety on the roads, and to establish special programs to prevent traffic accidents, and to create all conditions of security and traffic safety. For all road users, and these procedures include traffic laws that road users must abide by and abide by, and in case of violation, there are penal penalties; To deter individuals and society. It is known that these laws are among the contemporary issues and issues that the early scholars of the nation did not talk about, so it was necessary to examine this issue from a jurisprudential perspective; To show the world the realism of Islam, and the comprehensiveness of its rulings that regulate all aspects of life. Therefore, this research came in response to this problem, which is represented in the jurisprudential rooting of the contemporary rules and laws that regulate traffic in terms of its organization, and in terms of finding deterrent penalties for those who violate it.

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Journal articles on the topic 'TRAFIC CONDITIONS'

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