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Letteratura scientifica selezionata sul tema "Roads"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 29 luglio 2024

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Articoli di riviste sul tema "Roads"

1

Ahmad Irwan Hanafi, Totok Yulianto e Titin Sundari. "Perencanaan Jalan Rigid Pavement Pada Kawasan Perumahan Bunda Asri Kecamatan Bandarkedungmulyo Kabupaten Jombang". JURAL RISET RUMPUN ILMU TEKNIK 2, n. 2 (19 luglio 2023): 01–10. http://dx.doi.org/10.55606/jurritek.v2i2.1545.

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. In fulfilling occupancy eligibility, it is necessary to support facilities and infrastructure. The Bunda Asri housing complex, located in Bandarkedungmulyo, has a land area of 32 hectares with a planned construction of 3,000 residential units with 8 types of housing. Residential areas must have infrastructure with a minimum road width of 6 meters as stated in article 15 paragraph 3 of the 2019 Jombang Regency Regional Regulation concerning road infrastructure in residential areas. In this study, the planning used the pd T-2003 method which aims to determine the structure of the rigid pavement of the road at Bunda Asri housing. The results of this study are two types of roads, namely village roads and local roads. On rural roads, the thickness of the rigid pavement layer is 165 mm, the specification for the width of the plate is 2x3.5 m, the length of the plate is 4 m, and the tie rods use D13 threaded reinforcement (0.13 cm), 57.3 cm long, 0.75 cm spacing without using dowel spokes. Whereas for local roads, the thickness of the rigid pavement layer is 170 mm, the specifications for the width of the plate are 2x5 m, the length of the plate is 4 m, and the reinforcement thread D13 (0.13 cm) is used as tie rods, the length is 70 cm and the spacing is 0.75 cm using dowel spokes.

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2

R., Abdulazeez,, Bashir, A. K. e Aliyu, B. "Evaluation of Road Pavement Failure: A Case Study of Federal Medical Center Jabi Road, Abuja". International Journal of Mechanical and Civil Engineering 7, n. 1 (11 luglio 2024): 116–27. http://dx.doi.org/10.52589/ijmce-wxxgroua.

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Background of Study: In Nigeria, roads frequently degrade soon after construction, especially if the work is not done properly. However, some roads last for a long time before they deteriorate. This current study examined the factors that contribute to road collapse along the Federal Medical Centre road, Abuja and proposed optimal solutions. Methods: Sufficient soil samples were obtained at the road’s collapsed segment. However, a traffic volume study was conducted together with laboratory investigation such as natural moisture content determination, sieve analysis, atterberg limit testing, compaction test and california bearing ratio analysis using (BS 1377) to better understand the factors causing the road failure. Results: The result from natural moisture content shows that the soil sample obtained contained an amount of water for each sample, while sieve analysis shows that the samples have satisfied the requirements. In addition, the atterberg limit test indicates that the earth’s samples are good and excellent for use in building roads, while for compaction, the Optimum Moisture Content (OMC) and Maximum Dry Density (MDD) values obtained have also satisfied the requirements. More so, the California bearing ratio test also shows that the sub-base materials are good, which makes the layers of good strength. A traffic volume study was done by counting the number of vehicles going and coming out from various organizations surrounding the road in the morning and Afternoon hours. Conclusion: The construction materials of the road are good and excellent and have all complied with the requirements. Hence, by visual observation, the road's drainage system could be better, and the road surface needs to be cambered to the direction of the drainage to drain off water, especially during the rainy season. Water poses a lot of threat to roads, gradually creating void and allowing water infiltration, causing severe damage to the subsoil and pavement. Therefore, it is recommended that the drainage system should be properly built while cambering the road to either direction for proper running off of water.

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3

Zhou, Cheng, Wenjing Li e Hongguo Jia. "ROAD NETWORK GENERALIZATION BASED ON FLOAT CAR TRACKING". ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLI-B4 (10 giugno 2016): 71–77. http://dx.doi.org/10.5194/isprs-archives-xli-b4-71-2016.

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Road generalization is not only helpful to simplify complicated road networks but can also satisfy the needs of reasonable display of roads under varying scales, thus offering basis for updating and grading urban roads. This paper proposes a selection method for road network generalization by integrating road-associated vehicle trajectory dynamic properties and road features and calculating the importance of urban roads. First of all, the location and motion information of floating vehicles are associated to relevant roads to generate the dynamic properties of roads. Then, the dynamic and static properties of roads are analyzed, and the cluster analysis is conducted to the trajectory points at road intersections to obtain the importance of some road intersections there are vehicles passing by. Afterwards, the weights of roads are calculated using the dominance rough set, the roads are ranked by weight and the practical significance of ranking results is analyzed. Finally, the selection rules for the basic framework of road network are determined to meet with different requirements and guarantee both connectivity and completeness of road networks. The results show that the relative importance of roads is made clear by taking advantage of the rough set and the generalized road network highlights the distribution and connection of urban main roads.

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4

Zhou, Cheng, Wenjing Li e Hongguo Jia. "ROAD NETWORK GENERALIZATION BASED ON FLOAT CAR TRACKING". ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLI-B4 (10 giugno 2016): 71–77. http://dx.doi.org/10.5194/isprsarchives-xli-b4-71-2016.

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Abstract (sommario):

Road generalization is not only helpful to simplify complicated road networks but can also satisfy the needs of reasonable display of roads under varying scales, thus offering basis for updating and grading urban roads. This paper proposes a selection method for road network generalization by integrating road-associated vehicle trajectory dynamic properties and road features and calculating the importance of urban roads. First of all, the location and motion information of floating vehicles are associated to relevant roads to generate the dynamic properties of roads. Then, the dynamic and static properties of roads are analyzed, and the cluster analysis is conducted to the trajectory points at road intersections to obtain the importance of some road intersections there are vehicles passing by. Afterwards, the weights of roads are calculated using the dominance rough set, the roads are ranked by weight and the practical significance of ranking results is analyzed. Finally, the selection rules for the basic framework of road network are determined to meet with different requirements and guarantee both connectivity and completeness of road networks. The results show that the relative importance of roads is made clear by taking advantage of the rough set and the generalized road network highlights the distribution and connection of urban main roads.

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5

Nurmala, Corry, Baba Barus e Umar Mansyur. "Kajian Daya Dukung Jalan dan Prioritas Penanganannya di Perbatasan Kota Depok dengan Kota Administrasi Jakarta Selatan". TATALOKA 22, n. 1 (28 febbraio 2020): 15–26. http://dx.doi.org/10.14710/tataloka.22.1.15-26.

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Roads carrying capacity can be interpreted as a road capacity to support passing vehicles. This study was aimed to determine the priority of road handling at border of Depok City with South Jakarta by looking at the physical condition, road equipment and supporting facilities, costumer satisfaction and roads carrying capacity. Using descriptive analysis method for the physical conditions of roads and road equipment, CSI methods for the results of questionnaires and LoS for roads carrying capacity. The results showed that the road conditions in the category of moderate and lightly damaged conditions, conditions of road equipment and supporting facilities in South Jakarta were better than those on roads in Depok City and roads costumer satisfaction index in the category was less satisfied and quite satisfied. Roads carrying capacity at the border is in the fairly good to very bad category. The priority of road handling is determined, for roads at Depok City are first priority for Margonda Road, second priority for Kukusan Raya Road and Tanah Baru Road and for roads at South Jakarta are first priority for Lenteng Agung Raya Road, second priority for Srengseng Sawah Road, third priority for Moh. Kahfi 1 Road and Moh. Kahfi 2 Road.Keywords: Carrying Capacity, Handling Priority, Road

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6

Bandaru, Mary Devika, Durga vara prasad Bokka, Suseela Kyle, V. V. S. Sarma e P. Rohith. "Increasing the Bearing Strength of Base Layer (WBM Roads) by Using Plastic Cells and Analysis Through Staad Pro". IOP Conference Series: Earth and Environmental Science 1326, n. 1 (1 giugno 2024): 012103. http://dx.doi.org/10.1088/1755-1315/1326/1/012103.

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Abstract Water-Bound Macadam (WBM) roads often grapple with limited traffic capacity and a shortened lifespan due to their inherent structural weaknesses, particularly when subjected to mixed traffic conditions. In response to these challenges, this research introduces a novel solution by incorporating plastic cells made from recycled PET bottles into the road’s foundational base course during construction. This innovative addition serves as a transformative enhancement, significantly bolstering the road’s strength and extending its longevity. To ensure the road’s structural integrity under load-bearing conditions, the study employs a dual approach, connecting two plastic cells through both plastic strips and rivet joints. Remarkably, our investigation underscores the superior robustness of the riveted connection method over its strip counterpart. Soil testing, conducted in accordance with IRC 28-1967 standards, provides a comprehensive comparison between specimens containing plastic cells and traditionally constructed roads, facilitating a straightforward assessment of their respective properties. This research adheres to established methodologies, tests, and requirements to fortify the durability of water-bound macadam (WBM) roads through the incorporation of plastic cells into the base course. Rigorous structural analyses conducted using Staad Pro ensure these innovations can withstand diverse loads, further substantiating their efficacy. Our overarching goal is to bolster the region’s infrastructure by enhancing road strength and load-bearing capacity through the integration of thoroughly tested materials, surpassing the performance of conventional roads. This study represents a significant stride towards achieving enduring and resilient road construction practices.

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Baviskar, Aniket Chhabilal. "An Approach of Multi Criteria Decision Making in Analyzing Rural Road Safety in Nashik District". International Journal for Research in Applied Science and Engineering Technology 12, n. 4 (30 aprile 2024): 3435–41. http://dx.doi.org/10.22214/ijraset.2024.60613.

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Abstract: Rural road safety evaluations play a significant role in the transportation industry, and most fatal accidents happen on these types of roads. Road Safety Analysis (RSA), a process to evaluate a road's safety criteria and support overall road management decision-making, ensures the avoidance of loss of life and property damage. The "Pradhan Mantri Gram Sadak Yojana," which is primarily utilized in rural areas, is the main emphasis of this. In order to identify the most vulnerable roadways and implement mitigation measures, roads must be prioritized depending on safety ratings. This document presents the results of a study conducted to rank the safety criteria of Pradhan Mantri Gram Sadak Yojana (PMGSY) roads, a particular category of rural roads. A questionnaire survey was used for the study's analysis, and three MCDM methods were used to examine the relationships and interactions between the various factors. The study's findings indicated that the based on input from PMGSY engineers and contractors. From the perspective of the engineers in the Nashik area, we can determine the safety impact factor that influences the safety assessment of the PMGSY route.

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8

Zilioniene, Daiva, Donatas Cygas e Kastytis Dundulis. "Solutions of Gravel Road Renovation Based on Certain Local Conditions in Lithuania". Transportation Research Record: Journal of the Transportation Research Board 1819, n. 1 (gennaio 2003): 267–74. http://dx.doi.org/10.3141/1819b-34.

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The Lithuanian state road network consists of more than 21,000 km of roads, and gravel roads dominate (43.3%). While the 1998–2000 Paving of Gravel Roads Program was being implemented, there were a few issues in estimating investments that could determine the implementation alternatives of the rehabilitation project. Total costs of renovated gravel roads depended on the climate and geological and hydrological conditions of a location as well as traffic and gravel road characteristics. Roads, like engineering buildings, have to be of sufficient strength and durability, and they should correspond to traffic volume. The results of tests showed diversity of pavements and the characteristics of renovated gravel roads. Gravel roads vary by road width, pavement structure, pavement materials, and traffic. In analyzing traffic on gravel roads, the roads were classified into four groups according to traffic volume. Frequently, the strength of subgrade soils determines the structure of renovated gravel roads. The authors carried out tests on road subgrades under different geomorphologic and geological conditions, estimating the structure, physical conditions, and mechanical properties of these subgrades. According to the test results the strength of existing gravel roads depends on the strength of the subgrade, the thickness of the gravel road, and the quality of the gravel. The equivalent deformation modulus of the gravel roads is described by a binomial. In selecting structures for reconstruction of gravel roads, mathematical models are suggested.

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Et al., Rashidbek M. Xudoyqulov. "Monitoring of Road Conditions Based on Geographic Information Systems: A Case Study of Yangiyul District of Tashkent Region, Uzbekistan". Psychology and Education Journal 58, n. 2 (1 febbraio 2021): 1500–1504. http://dx.doi.org/10.17762/pae.v58i2.2301.

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Modern requirements for road management require the use of new technologies and methods in solving the problems of construction, reconstruction and maintenance of roads. Currently, road organizations have begun work on the creation of a geographic information system for roads; digital maps with the location and layer of roads are being assembled. Information about roads, is very important data for many social-economic sectors of the Republic of Uzbekistan. In this paper, creating geospatial digital and informative map of roads of Bukhara district of Tashkent region is revealed. The map covers all types and categories of roads. All availability conditions of roads inserted to attribute table of ArcGIS 10.2 and analyzed geospatial operations. On maps, created by not road organizations, information about roads is presented in a standard form, which leads to the lack of modern information on the condition of roads.

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Madzikigwa, Bizzar B. "Nature and Effects of Low-Volume Roads in Botswana". Transportation Research Record: Journal of the Transportation Research Board 1819, n. 1 (gennaio 2003): 88–95. http://dx.doi.org/10.3141/1819a-14.

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The road sector in Botswana continues to develop its road network throughout the country at a tremendous rate. When Botswana gained independence in 1966, it had only 10 km (16 mi) of bitumen road. By 1992 the total length of bituminous surfaced road reached 3500 km (2,175 mi) out of a total road network of 18 000 km (11,285 mi). These statistics clearly show that the majority of roads are not yet surfaced; these are low-volume roads that provide access to the rural areas where most of the country’s population is found, though in low density. In spite of the rapid improvement in the quality of the national road network in recent years, much remains to be done. In the early 1970s and early 1980s the rural roads unit was introduced in the Ministry of Works Transport and Communications, which was charged with the responsibility of design and construction of low-volume roads around the country in a bid to integrate the country’s road network. This unit was later disbanded in the 1990s, and all roads are improved through the conventional procurement system using private contractors. For these roads the justification of a surfacing project based on conventional economic return methods does not apply, and worse still, the road improvements have to compete with other amenities for the same limited resources. Three ministries in Botswana are responsible for roads: Ministry of Works Transport and Communications, Ministry of Local Government, and Ministry of Trade, Industry, Wildlife and Tourism. These ministries have different responsibilities for different roads within the country, and earth, sand, and gravel roads are found under the jurisdiction of each of the ministries. The major drawbacks concerning low-volume roads in Botswana are inadequate maintenance, poor road construction materials, and the environmental impacts of the roads. Since the budget and resources are inadequate to keep these roads in good condition, it would be prudent to find technological means that would improve the locally available road construction materials so as to minimize their effects on the environment and vehicle operating costs.

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Più fonti

Tesi sul tema "Roads"

1

Ng, Wing-suen Sammuel. "Electronic road pricing in Singapore : lessons for Hong Kong /". Hong Kong : University of Hong Kong, 1999. http://sunzi.lib.hku.hk/hkuto/record.jsp?B21213185.

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Walls, Liam D. "Quantifying road surface quality for underground haul roads /". [St. Lucia, Qld.], 2006. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe19802.pdf.

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Breytenbach, I. J. "The relationship between index testing and California Bearing Ratio values for natural road construction materials in South Africa". Pretoria : [s.n.], 2009. http://upetd.up.ac.za/thesis/available/etd-12152009-144255.

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Tangpithakkul, Rawee. "Study of permeability of pavement base matrials". Ohio : Ohio University, 1997. http://www.ohiolink.edu/etd/view.cgi?ohiou1184344573.

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Ng, Wing-suen Sammuel, e 伍永璇. "Electronic road pricing in Singapore: lessonsfor Hong Kong". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1999. http://hub.hku.hk/bib/B31952288.

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Berdica, Katja. "TraVIS for Roads - Examples of Road Transport Vulnerability Impact Studies". Doctoral thesis, KTH, Infrastructure, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3438.

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Mahavier, Kendall Caitlin Alexandra. "Patterns in Road Maintenance: An Analysis of San Diego Roads". Oberlin College Honors Theses / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=oberlin1526393989343466.

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Ayala, Reneé Danielle Turochy Rod E. "A benefit/cost analysis of paved shoulder installation on high priority road segments on two-lane rural highways in Alabama". Auburn, Ala, 2008. http://repo.lib.auburn.edu/EtdRoot/2008/SUMMER/Civil_Engineering/Thesis/Ayala_Renee_48.pdf.

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Chang, Yuet-mei Marky. "Policy formulation process : a case study of the Electronic Road Pricing Scheme of Hong Kong in the 1980s /". Hong Kong : University of Hong Kong, 1997. http://sunzi.lib.hku.hk/hkuto/record.jsp?B18595637.

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10

Richards, Samuel L. 1982. "Suite of Roads". Thesis, University of Oregon, 2010. http://hdl.handle.net/1794/10735.

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Abstract (sommario):

1 score (viii, 52 p.) A print copy of this thesis is available through the UO Libraries. Search the library catalog for the location and call number.
Suite of Roads is an orchestral suite comprising of two contrasting movements. This work explores and develops my original musical ideas in regard to the nature of roads and their role in connecting individuals and societies. Each movement follows the musical narrative of a hypothetical road, the first being titled "To" and the second being titled "From." All of my musical ideas evolve out the lucid imagined experience of traveling along one of these roads-away from a musical "home" to an imagined destination, then making a return trip along a very different yet equally vivid route. The musical ideas in the first movement are vast, spacious, and wandering, whereas the second movement is quick and vigorous. True to the concept of departure and return, the musical material presented at the beginning of the first movement briefly reappears at the end of the second movement, thus signaling the end of the musical journey and the final return home.
Committee in Charge: Dr. Robert Kyr, Chair; Dr. David Crumb; Christian Cherry

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Libri sul tema "Roads"

1

Foundation, Birla Economic Research, a cura di. Roads and road transport. New Delhi: Radiant Publishers, 1993.

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2

Great Britain. Department of the Environment for Northern Ireland. Layout of housing roads design guide. Belfast: HMSO, 1988.

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Baxter, Nicola. Roads. New York: Franklin Watts, 2001.

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ill, DePalma Mary Newell, a cura di. Roads. New York: Marshall Cavendish, 2002.

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5

Sauvain, Philip Arthur. Roads. Ada, OK: Garrett Educational Corp., 1990.

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6

Transport, Great Britain Department of. National roads England 1985. (London): (Department of Transport), 1985.

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7

Richter, Thomas. Road Planning - Freeways and Country Roads. Wiesbaden: Springer Fachmedien Wiesbaden, 2023. http://dx.doi.org/10.1007/978-3-658-35189-2.

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B, Raitz Karl, e Thompson George F, a cura di. A guide to the National Road. Baltimore: Johns Hopkins University Press, 1996.

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9

TRANSPORTATION, OREGON DEPARTMENT OF. Supplemental standard specifications for highway construction, 1998. Salem, Or: Oregon Dept. of Transportation, 1998.

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10

Holley, I. B. The highway revolution, 1895-1925: How the United States got out of the mud. Durham, N.C: Carolina Academic Press, 2007.

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Capitoli di libri sul tema "Roads"

1

Laurance, William F. "Bad Roads, Good Roads". In Handbook of Road Ecology, 10–15. Chichester, UK: John Wiley & Sons, Ltd, 2015. http://dx.doi.org/10.1002/9781118568170.ch2.

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2

Gilbert, O. L. "Roads". In The Ecology of Urban Habitats, 145–64. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-0821-5_9.

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Gilbert, O. L. "Roads". In The Ecology of Urban Habitats, 145–64. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3068-4_9.

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Wilcox, Alison. "Roads". In Descriptosaurus, 36–37. Third edition. | Milton Park, Abingdon, Oxon : Routledge, [2017]: Routledge, 2017. http://dx.doi.org/10.4324/9781315107110-9.

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Farrell, Sheila. "Roads". In Financing European Transport Infrastructure, 41–81. London: Palgrave Macmillan UK, 1999. http://dx.doi.org/10.1057/9780230502291_3.

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Reddy, Moola Atchi. "Roads". In East India Company and Urban Environment in Colonial South India, 106–29. London: Routledge India, 2021. http://dx.doi.org/10.4324/9781003215493-5.

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Keddy, Paul A. "Roads". In Causal Factors for Wetland Management and Restoration: A Concise Guide, 123–29. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-21788-3_11.

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Wilcox, Alison. "Roads". In Descriptosaurus, 59–60. 4^a ed. London: Routledge, 2023. http://dx.doi.org/10.4324/9781032707709-13.

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Stigson, Helena, Anders Kullgren e Lars-Erik Andersson. "Rural Road Design According to the Safe System Approach". In The Vision Zero Handbook, 947–70. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-76505-7_36.

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AbstractThis chapter covers design of rural roads according to the model for safe traffic used in the Vision Zero approach. Based on expected levels of the safety of vehicles and road users, the roads and the road side furniture should be designed to avoid fatalities and serious injuries. An introduction is presented covering the safe system approach and how speed limits of roads should be set to reflect the safety standard of the road in relation human injury tolerance and the capacity to protect the road users. One section will cover countermeasures to protect vulnerable road users, including speed calming road infrastructure, bicycle and pedestrian paths, bus stops. Another section will cover road infrastructure countermeasures addressing vehicle occupants. It is shown how change of velocity, vehicle mean acceleration, and crash duration are correlated and how they influence occupant injury risk. Design of different types of roads on rural roads is described, such as the two-plus-one lane road design with median barrier, and various ways of separating traffic or preventing run-off road crashes including road barrier design and rumble strips. Safe intersection design is an important part on rural roads that is explained. The last part covers design of the roadside area from a safe system approach.

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Stigson, Helena, Anders Kullgren e Lars-Erik Andersson. "Rural Road Design According to the Safe System Approach". In The Vision Zero Handbook, 1–25. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-23176-7_36-1.

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Abstract (sommario):

AbstractThis chapter covers design of rural roads according to the model for safe traffic used in the Vision Zero approach. Based on expected levels of the safety of vehicles and road users, the roads and the road side furniture should be designed to avoid fatalities and serious injuries. An introduction is presented covering the safe system approach and how speed limits of roads should be set to reflect the safety standard of the road in relation human injury tolerance and the capacity to protect the road users. One section will cover countermeasures to protect vulnerable road users, including speed calming road infrastructure, bicycle and pedestrian paths, bus stops. Another section will cover road infrastructure countermeasures addressing vehicle occupants. It is shown how change of velocity, vehicle mean acceleration, and crash duration are correlated and how they influence occupant injury risk. Design of different types of roads on rural roads is described, such as the two-plus-one lane road design with median barrier, and various ways of separating traffic or preventing run-off road crashes including road barrier design and rumble strips. Safe intersection design is an important part on rural roads that is explained. The last part covers design of the roadside area from a safe system approach.

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Atti di convegni sul tema "Roads"

1

Forkel, Bianca, Jan Kallwies e Hans-Joachim Wuensche. "Combined Road Tracking for Paved Roads and Dirt Roads: Framework and Image Measurements". In 2021 IEEE Intelligent Vehicles Symposium (IV). IEEE, 2021. http://dx.doi.org/10.1109/iv48863.2021.9575141.

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Kern, Joshua V., e John B. Ferris. "Characterizing 2-D Topographic Mappings of Roads". In ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-15233.

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Load data representing severe customer usage is needed throughout a chassis development program; the majority of these chassis loads originate with the excitation from the road. These chassis loads are increasingly derived from vehicle simulations, however simulating a vehicle traversing long roads is impractical and a method to produce short roads with given characteristics must be developed. The first step is to consider the road to be a realization of an underlying stochastic process. There are many methods currently available to characterize roads when they are assumed to be homogeneous. The issue of non-stationarity that arises when a vehicle traverses a homogenous road at a varying speed has also been discussed. This work develops of method of characterizing non-stationary road profile data using a pure autoregressive process. The model is developed utilizing the sample autocorrelation and partial autocorrelation functions. The adequacy of the model is evaluated through statistical diagnostic checks performed on synthetic road data generated by the autoregressive model parameters. Use of these parameters to classify roads is also discussed as possible future work. Any synthetic road realized from a given class of model parameters will represent all roads in that set.

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3

Forkel, Bianca, e Hans-Joachim Wuensche. "Combined Road Tracking for Paved Roads and Dirt Roads: LiDAR Measurements and Image Color Modes". In 2022 25th International Conference on Information Fusion (FUSION). IEEE, 2022. http://dx.doi.org/10.23919/fusion49751.2022.9841321.

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4

Huang, Hongwei, Qinghua Xiao e Chao Tang. "Quantitative Analysis of the Importance and Correlation of Urban Bridges and Roads in the Study of Road Network Vulnerability". In IABSE Congress, Nanjing 2022: Bridges and Structures: Connection, Integration and Harmonisation. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2022. http://dx.doi.org/10.2749/nanjing.2022.1369.

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Abstract (sommario):

<p>The city development is closely related to the performance of the transportation network system. Bridges and roads are important parts of the transportation system, and are also inseparable components of the transportation network. However, the effect of the correlation between bridges and roads on the network system has not been studies thoroughly in the literature. Therefore, it is necessary to analyze the vulnerability of the road network when both bridges and roads are involved. In this paper, the urban road network is modeled into the form of network connection and node, based on the analysis of the related research results of road network vulnerability in the literature. Taking the urban roads at all levels as the connection and the transportation hubs (including bridges) as the nodes, the paper puts forward the corresponding measurement indexes and calculation methods, and establishes the importance and correlation analysis model of roads and bridges in the urban road network.</p>

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5

Rothkrantz, Leon. "Smart roads". In 2019 Smart City Symposium Prague (SCSP). IEEE, 2019. http://dx.doi.org/10.1109/scsp.2019.8805720.

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6

Vitkienė, Juratė, Virgaudas Puodžiukas e Daiva Žilionienė. "New Approach to the Lithuanian Road Classification Based on Worldwide Experience". In Environmental Engineering. VGTU Technika, 2017. http://dx.doi.org/10.3846/enviro.2017.155.

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Road classification and road hierarchy are essential steps making sure that roads are designed and used properly. Road classification is an approach, to sort them into a small number of groups or classes, and then assigns the roads in a network to one or more of these groups. There are many ways to classify roads. One of them is regarding road hierarchy (or more specifically, functional road hierarchy). The efficiency and effectiveness of the road network directly impact economic growth and societal development. Economically, it is important through classification of roads to represent every road function, as it can enhance the delivery of goods efficient and effective. Arterial roads of a higher class significantly influence economic development by providing the main route of fright transportation and services, as well as significantly influence societal development as it provides a safe, effective and efficient route to travel on. At the same time, the high volume of traffic-related accidents calls for a road network that is safe for all road-users. It is known that the physical road network affects traffic and driver behaviour, and this in turn directly influences energy consumption and the environmental impacts associated with the emissions thereof. In this article review at road classification and road hierarchy of worldwide. It concludes with some comments on the current Lithuanian situation. It can be achieved in Lithuania to make influences to road safety, speed regulation, driver behaviour, traffic studies and accessibility to services.

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7

Wamburu, John, David Kaguma, Michiaki Tatsubori, Aisha Walcott-Bryant, Reginald E. Bryant e Komminist Weldemariam. "Roaming Nairobi Roads: Instrumenting Roads under Resource Constraints". In 2017 IEEE/ACM 4th International Conference on Mobile Software Engineering and Systems (MOBILESoft). IEEE, 2017. http://dx.doi.org/10.1109/mobilesoft.2017.8.

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8

HUSSAIN, MUHAMMED. "Environment Friendly Asphalt in Industrial Roads Green Roads". In Fifth International Conference on Advances in Civil, Structural and Mechanical Engineering - CSM 2017. Institute of Research Engineers and Doctors, 2017. http://dx.doi.org/10.15224/978-1-63248-132-0-31.

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9

Wang, Qi, J. Gregory McDaniel, Nian X. Sun e Ming L. Wang. "Road profile estimation of city roads using DTPS". In SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, a cura di Jerome P. Lynch, Chung-Bang Yun e Kon-Well Wang. SPIE, 2013. http://dx.doi.org/10.1117/12.2012026.

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Soracco, Michael. "Visualizing and Distributing Decades of Satellite Ocean Remote Sensing Data Products". In OCEANS 2022, Hampton Roads. IEEE, 2022. http://dx.doi.org/10.1109/oceans47191.2022.9977276.

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Rapporti di organizzazioni sul tema "Roads"

1

Williams, Michael, Marcial Lamera, Aleksander Bauranov, Carole Voulgaris e Anurag Pande. Safety Considerations for All Road Users on Edge Lane Roads. Mineta Transportation Institute, marzo 2021. http://dx.doi.org/10.31979/mti.2021.1925.

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Edge lane roads (ELRs), also known as advisory bike lanes or advisory shoulders, are a type of shared street where two-way motor vehicle (MV) traffic shares a single center lane, and edge lanes on either side are preferentially reserved for vulnerable road users (VRUs). This work comprises a literature review, an investigation of ELRs’ operational characteristics and potential road user interactions via simulation, and a study of crash data from existing American and Australian ELRs. The simulation evaluated the impact of various factors (e.g., speed, volume, directional split, etc.) on ELR operation. Results lay the foundation for a siting criterion. Current American siting guidance relies only upon daily traffic volume and speed—an approach that inaccurately models an ELR’s safety. To evaluate the safety of existing ELRs, crash data were collected from ELR installations in the US and Australia. For US installations, Empirical Bayes (EB) analysis resulted in an aggregate CMF of .56 for 11 installations observed over 8 years while serving more than 60 million vehicle trips. The data from the Australian State of Queensland involved rural one-lane, low-volume, higher-speed roads, functionally equivalent to ELRs. As motor vehicle volume grows, these roads are widened to two-lane facilities. While the authors observed low mean crash rates on the one-lane roads, analysis of recently converted (from one-lane to two-lane) facilities showed that several experienced fewer crashes than expected after conversion to two-lane roads.

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Shoop, Sally, Wendy Wieder e Terry Melendy. McMurdo Snow Roads and Transportation : final program summary. Engineer Research and Development Center (U.S.), agosto 2022. http://dx.doi.org/10.21079/11681/45200.

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The snow roads at McMurdo Station, Antarctica, are the primary transportation corridors for moving personnel and material to and from the airfields servicing intra- and intercontinental air traffic. The majority of the road system is made of snow overlying a snow, firn, and icy subsurface and is particularly susceptible to deterioration during the warmest parts of the austral summer when above-freezing temperatures can occur for several days at a time. Poor snow-road conditions can seriously limit payloads for all types of ground vehicles. The US Army Cold Regions Research and Engineering Laboratory (CRREL) studied the McMurdo snow roads for the National Science Foundation Office of Polar Programs as part of the Snow Roads and Transportation (SRT) program. The goals of the SRT program was to improve construction, maintenance, and use of the McMurdo’s snow roads, with particular attention on minimizing warm-season deterioration. This is the final report of the SRT program, summarizing the program’s activities and findings and emphasizing those parts of the program not previously documented in CRREL Reports, conference papers, or journal articles.

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3

Freeman, Reed B., Dale A. Goss, Patrick S. McCaffrey, Joe G. Tom, Toy S. Poole, Landris T. Lee e Perry A. Taylor. Unbonded Aggregate Surface Roads. Fort Belvoir, VA: Defense Technical Information Center, dicembre 2006. http://dx.doi.org/10.21236/ada460698.

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4

Tiwari, Geetam. Fixing India's deadly roads. A cura di Charis Palmer e Bharat Bhushan. Monash University, dicembre 2022. http://dx.doi.org/10.54377/04dd-0da7.

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5

Cuerden, Richard, Mary Williams, Jeanne Breen, Dan Campsal, Suzy Charman, David G. Davies, Nick Reed e Sarah Simpson. Safe Roads for All. TRL, agosto 2021. http://dx.doi.org/10.58446/ohss3066.

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It calls on UK Government to publish, with urgency, a Safe and Healthy Mobility Strategy and Action Plan for roads and civic spaces across the UK that is based on Safe System solutions; and for Government to place this strategy and action plan at the heart of its transport policy decisions to save people and the planet. This report proposes goals, work areas, and priority actions for the strategy and action plan. Safe and healthy mobility means we get around on roads and around our civic spaces (the spaces between our buildings) in ways that: prevent death and serious injury from road crashes; prevent death and illness from air pollution and inactivity; and achieve decarbonisation to tackle the climate crisis. We enable people to move around in active ways (walking, cycling) and we enable the safe, clean, and green use of vehicles too; to move our goods, deliver services, or move people, including by public transport.

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Kalambay, Panick, e Srinivas Pulugurtha. Exploring Traffic Speed Patterns for the Implementation of Variable Speed Limit (VSL) Signs. Mineta Transportation Institute, dicembre 2023. http://dx.doi.org/10.31979/mti.2023.2318.

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Traffic congestion is a prevalent issue during peak travel hours on roads in the United States. This study focuses on identifying suitable road links in Charlotte, North Carolina, for implementing variable speed limit (VSL) signs. Real-world traffic speed data collected over one year was analyzed to identify specific road links with favorable characteristics for VSL sign installations. The analysis considered weekdays, weekends, and specific times of the day to capture variations in speed patterns. The results revealed that roads with lower speed limits consistently experienced speeds exceeding the posted speed limits, suggesting additional enforcement or safety measures. For roads with higher speed limits, mean speeds were generally close to the speed limits, but the 85th percentile speeds exceeded them, indicating a potential need for speed management measures. Road links with a 45/50 mph speed limit display a unique pattern compared to other clusters. The mean speed on these roads decreases as the standard deviation increases. The findings contribute to understanding traffic speed patterns and provide valuable insights for transportation planning and management.

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Engel, Eduardo, Ronald Fischer e Alexander Galetovic. Toll Competition Among Congested Roads. Cambridge, MA: National Bureau of Economic Research, maggio 1999. http://dx.doi.org/10.3386/t0239.

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8

Caviedes Cómbita, Álvaro. Exploring the Determinants of Vulnerable Road Usersâ€™ Crash Severity in State Roads. Portland State University Library, gennaio 2000. http://dx.doi.org/10.15760/etd.5946.

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9

Du, Qingyuan, Shang-Jin Wei e Peichu Xie. Roads and the Real Exchange Rate. Cambridge, MA: National Bureau of Economic Research, agosto 2013. http://dx.doi.org/10.3386/w19291.

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10

Blanchard, Jean-Marc F. Pondering the BRI’s alleged new roads. East Asia Forum, novembre 2023. http://dx.doi.org/10.59425/eabc.1700863259.

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