Rozprawy doktorskie na temat „Rural Highways”
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Tapani, Andreas. "A Traffic Simulation Modeling Framework for Rural Highways". Licentiate thesis, Linköping : Linköpings universitet, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-4803.
Pełny tekst źródłaTolliver, Denver D. "The impacts of grain subterminals on rural highways". Diss., Virginia Polytechnic Institute and State University, 1989. http://hdl.handle.net/10919/54799.
Pełny tekst źródłaPh. D.
Rusli, Rusdi Bin. "Traffic safety along rural mountainous highways in Malaysia". Thesis, Queensland University of Technology, 2017. https://eprints.qut.edu.au/113718/2/Rusdi_Bin_Rusli_Thesis.pdf.
Pełny tekst źródłaAkula, Mohan Kumar. "Guidelines for safety and design improvements at rural expressway median crossovers /". free to MU campus, to others for purchase, 2003. http://wwwlib.umi.com/cr/mo/fullcit?p1417999.
Pełny tekst źródłaAziz, Syeda Rubaiyat. "Calibration of the Highway Safety Manual and development of new safety performance functions for rural multilane highways in Kansas". Diss., Kansas State University, 2016. http://hdl.handle.net/2097/32564.
Pełny tekst źródłaCivil Engineering
Sunanda Dissanayake
Rural roads account for 90.3% of the 140,476 total centerline miles of roadways in Kansas. In recent years, rural fatal crashes have accounted for about 66% of all fatal crashes. The Highway Safety Manual (HSM) provides models and methodologies for analyzing the safety of various types of highways. Predictive methods in the HSM were developed based on national trends and data from few states throughout the United States. However, these methodologies are of limited use if they are not calibrated for individual jurisdictions or local conditions. The objective of this study was to analyze the HSM calibration procedures for rural multilane segments and intersections in Kansas. The HSM categorizes rural multilane segments as four-lane divided (4D) and four-lane undivided (4U) segments and rural multilane intersections as three-legged intersections with minor-road stop control (3ST), four-legged intersections with minor-road stop control (4ST), and four-leg signalized intersections (4SG). The number of predicted crashes at each segment was obtained according to the HSM calibration process. Results from calibration of rural segments indicated that the HSM overpredicts fatal and injury crashes by 50% and 65% and underpredicts total crashes by 48% and 64% on rural 4D and 4U segments, respectively. The HSM-given safety performance function (SPF) regression coefficients were then modified to capture variation in crash prediction. The adjusted models for 4D and 4U multilane segments indicated significant improvement in crash prediction for rural Kansas. Furthermore, Kansas-specific safety performance functions (SPF)s were developed following the HSM recommendations. In order to develop Kansas-specific SPF, Negative Binomial regression was applied to obtain the most suitable model. Several additional variables were considered and tested in the new SPFs, followed by model validation on various sets of locations. The Kansas-specific SPFs are capable of more accurately predicting total and fatal and injury crashes on multilane segments compared to the HSM and the modified HSM models. In addition to multilane segments, rural intersections on multilane highways were also calibrated according to the HSM methodology. Using crash modification factors for corresponding variables, SPFs were adjusted to obtain final predicted crash frequency at intersections. Obtained calibration factors indicated that the HSM is capable of predicting crashes at intersections at satisfactory level. Findings of this study can be used for improving safety of rural multilane highways.
Alhomidan, Abdullah. "INVESTIGATION OF TRAFFIC CRASHES IN TWO-LANE RURAL HIGHWAYS IN OHIO". University of Akron / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=akron1165259225.
Pełny tekst źródłaChuo, Kaitlin. "Evaluation of the Applicability of the Interactive Highway Safety Design Model to Safety Audit of Two-Lane Rural Highways". Diss., CLICK HERE for online access, 2008. http://contentdm.lib.byu.edu/ETD/image/etd2299.pdf.
Pełny tekst źródłaWu, Chen-Chin Charles. "Passing Lane Feasibility Analysis for Ohio State Two-Lane Two-Way Rural Highways". The Ohio State University, 1993. http://rave.ohiolink.edu/etdc/view?acc_num=osu1391766425.
Pełny tekst źródłaDurbin, Casey Thomas. "Traffic performance on two-lane, two-way highways examination of new analytical approaches /". Thesis, Montana State University, 2006. http://etd.lib.montana.edu/etd/2006/durbin/DurbinC0806.pdf.
Pełny tekst źródłaGong, Huafeng. "OPERATING SPEED PREDICTION MODELS FOR HORIZONTAL CURVES ON RURAL FOUR-LANE NON-FREEWAY HIGHWAYS". UKnowledge, 2007. http://uknowledge.uky.edu/gradschool_diss/562.
Pełny tekst źródłaGong, Huafeng. "Operating speed preditcion [sic] models for horizontal curves on rural four-lane non-freeway highways". Lexington, Ky. : [University of Kentucky Libraries], 2007. http://hdl.handle.net/10225/727.
Pełny tekst źródłaTitle from document title page (viewed on March 25, 2008). Document formatted into pages; contains: x, 182 p. : ill. (some col.). Includes abstract and vita. Includes bibliographical references (p. 136-149).
Faden, Abdulrahman Khalid. "Development of Safety Performance Functions For Two-Lane Rural Highways in the State of Ohio". University of Dayton / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1591976280554876.
Pełny tekst źródłaVavilikolanu, Srutha. "Crash Prediction Models on Truck-Related Crashes on Two-lane Rural Highways with Vertical Curves". University of Akron / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=akron1221758522.
Pełny tekst źródłaKnecht, Casey Scott. "Crash Prediction Modeling for Curved Segments of Rural Two-Lane Two-Way Highways in Utah". BYU ScholarsArchive, 2014. https://scholarsarchive.byu.edu/etd/4352.
Pełny tekst źródłaLu, Ming. "System Dynamics Model for Testing and Evaluating Automatic Headway Control Models for Trucks Operating on Rural Highways". Diss., This resource online, 1996. http://scholar.lib.vt.edu/theses/available/etd-01292008-113749/.
Pełny tekst źródłaTwagirimana, Janvier. "Establishing and applying speed-flow relationships for traffic on rural two-lane two- way highways in the Western Cape". Thesis, Stellenbosch : Stellenbosch University, 2013. http://hdl.handle.net/10019.1/85825.
Pełny tekst źródłaENGLISH ABSTRACT: Speed-flow-density relationships are the most useful tools in the highway design and planning process. They are useful in predicting the roadway capacity, in determining the adequate level-of-service of traffic flow and in determining travel time for a given roadway. Two-lane two-way rural highways constitute the vast majority of the rural road network in South Africa. Nowadays in the Western Cape and other provinces of South Africa, the speed-flow-density relationships normally used for rural transportation studies are derived from the Highway Capacity Manual, which reflects the traffic conditions in the North American situation. Since the North American traffic conditions may be different from the South African conditions, a need to investigate speed-flow-density relationships on these highways in South Africa arises in order to justify any investment made on these roads. In this context, a video technique was used to collect traffic flow data during morning peak hours on two rural two-lane two-way highways in the Western Cape Province in order to investigate these relationships. Through the use of Adobe premiere C.S 6 software, travel time of individual vehicles and distance headways were measured and used in computation of average speed and average density. Several researchers have developed models to describe the relationships between traffic characteristics on uninterrupted flow facilities. In this study, some of these models were tested using collected data in order to investigate which model fits the data satisfactorily. Statistical methods were used to evaluate the ability of each model to predict the flow characteristics over the whole range of data. Average speed and density data were used through regression analysis to perform curve fitting and testing of these developed models. In the next stage, the model which provided a best representation of the data on each section was selected and through the application of the steady-state equation (2.1), flow-density and speed-flow relationships were established on these sections. The available data were also used to investigate the impact the observation time has on the speed-flow curve and the resulting capacity value. Finally, the developed speed-flow curves were used to determine the capacities of the study sections. These capacity values were used to determine if the shoulder usage contributes in increasing the capacity of two-lane two-way highways by comparing them to the capacity provided by HCM.
AFRIKAANSE OPSOMMING: Spoed-vloei-digtheid verhoudings is baie handig in die beplanning en ontwerp van paaie. Dit kan ook gebruik word in die voorspelling van kapasiteit, diensvlak en reistyd. Twee-laan twee-rigting paaie maak die grootste deel van die Suid-Afrikaanse padnetwerk uit en vir die beplanning daarvan word van Amerikaanse spoed-vloei-digtheid verhoudings gebruik gemaak aangesien daar nog nie voorheen ‘n studie hiervan in SA gemaak is nie. Video-opnames is gebruik om verkeersvloeidata op twee paaie in die omgewing van Stellenbosch te versamel. Die reistyd en digtheid van individuele voertuie is tydens spitstye waargeneem. Die data is gebruik om te bepaal watter modelle die beste is om die spoed-vloei-digtheid verhoudings vir hierdie paaie te modelleer. Die beste modelle is dan gebruik om die kapasiteit van die paaie te bepaal en dit te vergelyk met die Amerikaanse waardes.
Dybing, Alan Gabriel. "Estimation of Increased Traffic on Highways in Montana and North Dakota due to Oil Development and Production". Diss., North Dakota State University, 2012. https://hdl.handle.net/10365/26637.
Pełny tekst źródłaAyala, 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.
Pełny tekst źródłaShrestha, Pramen P., i Joseph Shrestha. "Factors Associated with Crash Severities in Built-up Areas Along Rural Highways of Nevada: A Case Study of 11 Towns". Digital Commons @ East Tennessee State University, 2017. https://dc.etsu.edu/etsu-works/714.
Pełny tekst źródłaHorn, Andrea L. "Assessment of Tree Canopy Effects Overtop Low Volume Roadways". Ohio University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1564052715480026.
Pełny tekst źródłaCamacho, Torregrosa Francisco Javier. "DEVELOPMENT AND CALIBRATION OF A GLOBAL GEOMETRIC DESIGN CONSISTENCY MODEL FOR TWO-LANE RURAL HIGHWAYS, BASED ON THE USE OF CONTINUOUS OPERATING SPEED PROFILES". Doctoral thesis, Universitat Politècnica de València, 2015. http://hdl.handle.net/10251/48543.
Pełny tekst źródłaCamacho Torregrosa, FJ. (2015). DEVELOPMENT AND CALIBRATION OF A GLOBAL GEOMETRIC DESIGN CONSISTENCY MODEL FOR TWO-LANE RURAL HIGHWAYS, BASED ON THE USE OF CONTINUOUS OPERATING SPEED PROFILES [Tesis doctoral no publicada]. Universitat Politècnica de València. https://doi.org/10.4995/Thesis/10251/48543
TESIS
Hadjou, Lamara. "Milieux et réseaux innovateurs en espace rural fragile de moyenne montagne : cas de la mise en valeur d'un équipement autoroutier en france et en Grèce". Thesis, Clermont-Ferrand 2, 2012. http://www.theses.fr/2012CLF20013.
Pełny tekst źródłaThe background of our research crosses conceptual contributions of the innovative milieus approach and the realities of fragile rural areas, especially the mountains. We have chosen to address the theme of innovation in milieus a priori unhabituel for this type of approach. However, we have shown that it is quite possible and even necessary to examine the ability of vulnerable rural areas to secrete innovative processes, the only way to adapt to globalization.Our first hypothesis focused on the dynamics of territorial construction in progress. A hypothesis supported by the emergence of new territories in France, through the implementation of Massifs, in Italy, via mountain communities and finally in Europe, with the Alpine, Carpathian and Balkan conventions. The phenomenon is identified, research has focused specifically on the mechanisms behind this construction. Our surveys of key actors have highlighted two main factors: a strong coordination and mobilization of actors around the valuation of specific resources of the mountains. Ultimately, it is the presence of what we call an innovative milieus effect which is at the origin of the process of emergence of mountains in Europe. Placing ourselves in the innovative milieus approach, we sought to assess the spatial fragility / dynamics depending on the capacity of actors to act, the degree of resource development and physical disabilities. To do this, fifteen indicators were calculated to reflect the different axes. Our results are conclusive with factorial axes that correspond to our three themes, a distribution of municipalities along the A75 and the demes along the Via Egnatia, which corresponds to our expectations, ie, very complex and diverse. Many mountain municipalities show a remarkable dynamism contrary to what one might expect.The context of the research, two fragile mountain areas relatively isolated, the Massif Central in France, Epirus and Western Macedonia in Greece, as well as multiple interviews with officials elected, driven us to put accessibility in the center of our problematic of fragile milieus / innovative milieus. A review of the literature on the relationship highway and territories let us to realize the absence of the study on the rôle of actors and milieus in the assessment methods. Questioning conventional methods allowed us to propose an approach leveraging the concept of the innovative milieu in the heart of the relationship highway / development. The survey results show very favorable but contrasting perceptions depends on territories, low ownership of both highways and three logic of implémentation of the A75 and the Via Egnatia: a logic of dynamic and innovative local milieus, a logic innovative networks and a logic of accompanying policies. Similarities in the modes of action between the case of the A75 and the Via Egnatia in reality hide profound differences that explain the highest dynamics involved in the Massif Central compared to the north of Hellas. The initiatives are proving indeed larger along the territories crossed by the A75. This is related first to the greater involvement of the state but also to a better structuring of regional and local actors
Júnior, José Elievam Bessa. "Medidas de desempenho para avaliação da qualidade de serviço em rodovias de pista simples no Brasil". Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/18/18144/tde-10062015-102520/.
Pełny tekst źródłaThe Highway Capacity Manual 2010 uses Percent-Time-Spent Following (PTSF) and Average Travel Speed (ATS) to estimate level of service on two-lane rural highways. As it is almost impossible to observe PTSF directly in the field, the literature suggests alternative measures of effectiveness (MOEs) that can be obtained from traffic stream parameters. The objective of this thesis was to analyze MOEs that could adequately describe quality of service on two-lane rural highways in Brazil. Traffic data collected on several roads in the state of São Paulo were used to calibrate and validate the traffic simulation model CORSIM, using a Genetic Algorithm (GA). The recalibrated CORSIM was used to create a synthetic set of traffic data, comprising a wide range of traffic flows and road geometries. Using this synthetic data, several models relating PTSF to \"directly observable\" traffic parameters were developed: percent following (PF), as in the HCM2010; the shockwave theory model proposed by Pursula (1995); the Laval (2006) moving bottleneck model; the Polus and Cohen (2009) queueing model; and a polynomial model. PTSF estimates produced by these models significantly diverged from PTSF values produced by CORSIM, suggesting the need for a new measure of effectiveness. Thus, nine alternative MOEs were analyzed and models relating these MOEs to directional traffic flow were fitted, using the synthetic traffic data set. Comparisons between the values obtained from these models and from the field indicated that three MOEs (average travel speed of cars, density for cars and follower density) could be used to create level of service criteria for two-lane rural highways in Brazil.
Júnior, José Elievam Bessa. "Caracterização do fluxo de tráfego em rodovias de pista simples do Estado de São Paulo". Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/18/18144/tde-04122009-150455/.
Pełny tekst źródłaThe goal of this research was to characterize the fundamental relationships of traffic flow on two-lane rural highways in the state of São Paulo through models based on parameters that reflect the quality of service and that could be obtained from direct observations of traffic flows. To reach this goal, sets of data were obtained from observation of traffic flows and from detectors installed on roads. The data collected from direct observation was used to calibrate and validate a microscopic traffic simulation model, as well as for the calculation of performance measures used in some of the analyses. The microsimulation model was calibrated using an automatic procedure that is based on a genetic algorithm. The recalibrated model was found to be able to reproduce traffic sensor data as well as traffic flow characteristics observed in the 11 road segments observed for this research. A procedure for synthetic data generation, which uses a microsimulation model and a genetic algorithm, was proposed. Synthetic data obtained through this procedure were used to develop the models that describe the relationships between flow rate, traffic stream speed and percent time spent following (PTSF) for two-lane roads in the state of São Paulo. These models could replace those used in the HCM-2000 for quality of service analysis of two-lane roads in São Paulo. New fundamental relationships, which better reflect the operational conditions on local two-lane roads were also studied: a concave speed-flow relationship and an exponential PTSF-flow model. Five alternatives to PTSF were studied and correlated to one-way and two-way flows. Among these, a novel definition of PTSF, based on the ratio of average number of headways within platoons and average number of headways between platoons, was found to be the most accurate (90% of the cases), adopting the HCM-2000 criteria. Thus, this new measure could be used to evaluate the quality of service on two-lane rural highways.
Koorey, Glen. "Incorporating Safety into Rural Highway Design". Thesis, University of Canterbury. Civil and Natural Resources Engineering, 2009. http://hdl.handle.net/10092/3102.
Pełny tekst źródłaShi, Xishi. "Highway appraisal in developing countries : a method for determining the cost effectiveness of highway schemes". Thesis, University of Southampton, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.387002.
Pełny tekst źródłaTadayon, M. "Computer simulation of signalized highway intersections". Thesis, University of Bradford, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.372165.
Pełny tekst źródłaMohamad, Majdi bin. "Saturation flow and delay at signal-controlled highway intersections". Thesis, University of Bradford, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.292676.
Pełny tekst źródłaMahmood, Shah. "Investigating Interchange Traffic and Commercial Development at Rural Interstate Highway Exits". Ohio University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1469491271.
Pełny tekst źródłaFreedman, Zachary Sebastian. "Analyzing the effect of passing-lanes on rural two-lane highway operations". Thesis, Montana State University, 2009. http://etd.lib.montana.edu/etd/2009/freedman/FreedmanZ1209.pdf.
Pełny tekst źródłaAkililu, Meaza Negash. "Verification of Rural Traffic Simulator, RuTSim 2". Thesis, Linköpings universitet, Kommunikations- och transportsystem, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-84453.
Pełny tekst źródłaKarnik, Mikhil. "A guide to the preparation of environmental impact assessments for highway schemes". Thesis, University of Manchester, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.303948.
Pełny tekst źródłaHeckler, Elliott K. "Investigating Rural Expressway Crashes at Two-Way Stop-Controlled Intersections". Ohio University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1448374211.
Pełny tekst źródłaZheng, Zijian. "Heavy Vehicle Impact on Rural Two Lane Highway Segments Operating Under Various Levels of Service Conditions". Thesis, North Dakota State University, 2014. https://hdl.handle.net/10365/27270.
Pełny tekst źródłaOrtiz, Logan A. "Highway work zone capacity estimation using field data from Kansas". Thesis, Kansas State University, 2014. http://hdl.handle.net/2097/18224.
Pełny tekst źródłaDepartment of Civil Engineering
Sunanda Dissanayake
Although extensive research has been conducted on urban freeway capacity estimation methods, minimal research has been carried out for rural highway sections, especially sections within work zones. This study filled that void for rural highways in Kansas. This study estimated capacity of rural highway work zones in Kansas. Six work zone locations were selected. An average of six days’ worth of field data was collected, from mid-October 2013 to late November 2013, at each of these work zone sites. Two capacity estimation methods were utilized, including the Maximum Observed 15-minute Flow Rate Method and the Platooning Method divided into 15-minute intervals. The Maximum Observed 15-minute Flow Rate Method provided an average capacity of 1469 passenger cars per hour per lane (pcphpl) with a standard deviation of 141 pcphpl, while the Platooning Method provided a maximum average capacity of 1195 pcphpl and a standard deviation of 28 pcphpl. Based on observed data and analysis carried out in this study, the recommended capacity to be used is 1500 pcphpl when designing work zones for rural highways in Kansas. This research provides the proposed standard value of rural highway work zone capacities so engineers and city planners can effectively mitigate congestion that would have otherwise occurred due to impeding construction/maintenance.
Miles, Jeffrey David. "An investigation of passing operations on a rural, two-lane, two-way highway with centerline rumble strips". Texas A&M University, 2004. http://hdl.handle.net/1969.1/1360.
Pełny tekst źródłaWang, Chunyan. "Fatal crash trends and analysis in southeastern states". Diss., Georgia Institute of Technology, 2006. http://etd.gatech.edu/theses/available/etd-04092006-023047/.
Pełny tekst źródłaIncludes bibliographical references (p. 209-211). Also available online via the Georgia Institute of Technology ETD website (http://etd.gatech.edu/).
Greene, Tyler Gray. "Accessible Isolation: Highway Building and the Geography of Industrialization in North Carolina, 1934-1984". Diss., Temple University Libraries, 2017. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/431217.
Pełny tekst źródłaPh.D.
Between the 1930s and mid-1980s, North Carolina became one of the most industrialized states in the country, with more factory workers, as a percentage of the total workforce, than any other state. And yet, North Carolina generally retained its rural complexion, with small factories dispersed throughout the countryside, instead of concentrated in large industrial cities. This dissertation asks two essential questions: first, how did this rural-industrial geography come to be, and second, what does the creation of this geography reveal about the state of the American political economy in the post-World War II era? I argue that rural industrialization was a central goal of North Carolina’s postwar political leaders and economic development officials. These industry hunters, as I call them, wanted to raise their state’s per capita income by recruiting manufacturers to develop or relocate operations in North Carolina. At the same time, they worried about developing large industrial cities or mill villages, associating them with class conflict, congestion, and a host of other ill-effects. In the hopes of attracting industry to its countryside, the state invested heavily in its secondary roads and highways, increasing the accessibility of rural communities. In their pursuit of rural industrialization, however, North Carolina also constructed a political economy that anticipated the collapse of the New Deal state. While historians typically see New Deal liberalism as the prevailing form of statecraft in the postwar United States, North Carolina achieved economic growth through a model that state officials termed “accessible isolation.” What accessible isolation meant was that North Carolina would provide industries with enough of a state apparatus to make operating a factory in a rural area possible, while maintaining policies of low taxes, limited regulations, and anti-unionism, to make those sites desirable. Essentially, industry hunters offered industrial prospects access to a supply of cheap rural labor, but isolation from the high wages, labor unions, government regulations, and progressive tax code that defined New Deal liberalism. Accessible isolation was attractive to businesses in postwar America because it offered a “business-friendly” alternative to the New Deal, and factories began sprouting throughout rural North Carolina. But the success of accessible isolation was built on a shaky foundation. Indeed, most of the employers persuaded by its promises were those in low-wage, labor-intensive industries, making North Carolina’s rural communities especially vulnerable to transformations in the global economy by the late twentieth century.
Temple University--Theses
Day, Karis L. "Assessing the impact of highway development on land use/land cover change in Appalachian Ohio". Ohio : Ohio University, 2006. http://www.ohiolink.edu/etd/view.cgi?ohiou1149852252.
Pełny tekst źródłaBrimley, Bradford Keith. "Calibration of the Highway Safety Manual Safety Performance Function and Development of Jurisdiction-Specific Models for Rural Two-Lane Two-Way Roads in Utah". BYU ScholarsArchive, 2011. https://scholarsarchive.byu.edu/etd/2611.
Pełny tekst źródłaCruz, German Tadeo. "Getting there : a study to define and offer conceptual solutions for the control of sprawl, rural land preservation, neighborhood connectivity, and community image development in northwest Muncie". Virtual Press, 1999. http://liblink.bsu.edu/uhtbin/catkey/1136702.
Pełny tekst źródłaDepartment of Landscape Architecture
Strömgren, Per. "Modelling of Traffic Performance for Swedish Roads and Motorways". Doctoral thesis, KTH, Transportplanering, ekonomi och teknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-185930.
Pełny tekst źródłaQC 20160429
Fry, John. "Simulating Heavy Vehicles on Australian Rural Highways". 2005. http://arrow.unisa.edu.au:8081/1959.8/46681.
Pełny tekst źródłaWang, Tsai-Chu, i 王在莒. "The Seismic Emergency Rehabilitation Scheduling for Rural Highways". Thesis, 2004. http://ndltd.ncl.edu.tw/handle/01271878540982289567.
Pełny tekst źródła國立交通大學
交通運輸研究所
92
Most of the previous disaster countermeasure studies focused on the disaster prevention, such as the allocation/dispatching of medical resources, fire fighter and police forces in urban areas. Only few studies paid their attention on providing better ways of emergency rehabilitation after disasters in non-urban areas. Since the objectives chosen in the previous studies were inappropriate for the works of disaster rehabilitation, and their assumed rehabilitation works were constrained by the predefined duty areas, the proposed solutions’ performance has been affected significantly. Disaster rehabilitation will decide the extent of lost of property and lives in a disaster, and affect the restoration works following up. Therefore, its importance should be stressed more. The study has first defined “emergency rehabilitation”. The difference between emergency rehabilitation and regular rehabilitation is clearly defined. The special characteristics of emergency rehabilitation on rural highways are also classified. The study has used the data and scenario gathered from Chi-Chi earthquake as the test bed. This study has proposed a feasible system framework and a mathematical programming modal for emergency rehabilitation scheduling to fit the framework. The objectives of seismic emergency rehabilitation in this study are to relief the maximum number of suffered people, to repair the maximum kilometers of open roads. On the other hands, the rehabilitation tasks are constrained by time, roadway restoration methods and on site cleaning capability. The study has surveyed workers of the Directorate General of Highways whose units ever involved in Chi-Chi earthquake rehabilitation. Surveys are trying to identify if there are differences between their preferred objectives and the issues concluded in the discussion after operation. The findings will be used to support the construction of scheduling models. The study has also defined different sets of possible factors affecting emergency rehabilitation time. Basing on that, the study has calculated and recommended a set of simple time adjustment parameters in order to shorten analysis time and preserve more time for emergency rehabilitation. In the study, a simple case has been first used to test the feasibility of the proposed algorithm. The performances of a traditional emergency rehabilitation scheduling way in 72 hours post-earthquake have been treated as a basic comparing group. The rehabilitation performances associated with the objective function proposed in the study under the scenario of duty zone system and non-duty zone system are measured. And then, the environment scenario collected from Nan-Tou County has been used to verify the feasibility of the proposed scheduling model. It is hoped that findings and conclusions made in the study can be useful for decision makers while they are dealing with the similar situations.
CHEN, WENCHI, i 陳文琦. "DESIGN GUIDELINES FOR PASSING LANES ON RURAL TWO-LANE HIGHWAYS". Thesis, 1996. http://ndltd.ncl.edu.tw/handle/98344180070732713624.
Pełny tekst źródła國立成功大學
交通管理(科學)學系
84
Two-lane highways constitute the predominant mileage of highway systems in Taiwan. Funds arelimited when compared with the extensiveness of two-lane highways system. Therefore, how toeffectively improve the two-lane highway with low-cost modifications becomes an important issue. Passing lanes are the most popular of these low-cost improvements. They can provide additionalpassing opportunities to improve the service level of two-lane highways effectively. This study tries to develop design guidelines for passing lanes in Taiwan. The guidelines areabout when to have a passing lane , its location, length and spacing. The factors considered in thisstudy include traffic flow, composition, direction split, grade and cruve radius. "Percent offollowing" is used as the criterion for evaluating the effect of a passing lane. "Percent offollowing " is defined as the perent of vehicles traveling at headways less than four seconds. The TRARR computer simulation model is used for evaluating the performance of passing lanes,because there are no passing lanes in Taiwan currently. A comprehensive validation test is conductedto examine the applicability of the TRARR simulation model in Tawan. The validation criteria includepercent of following, average spot speed, bunch size distribution, average travel time and averagetravel speed. The design guidelines developed in this study are based on deigned service level D which is with60 to 80 percent of following. TRARR simulation model is employed to develop a series of percent offollowing curves. These curves show that a 400 m passing lane is able to bring a reduction of percentof following from 80% to 60% for most siuations. The spacing of passing lanes is also discussed. Keys : Design guidelines, Passing lane, Two-lane highway, TRARR , Percent of following.
SHEN, YEN-HUNG, i 沈彥宏. "A Study on Microscopic Traffic Flow Model of Rural Highways". Thesis, 2006. http://ndltd.ncl.edu.tw/handle/12934864200047436414.
Pełny tekst źródła國立交通大學
運輸科技與管理學系
94
As the traffic jam in Taiwan getting worse with the fast growth to the amount of the vehicles in Taiwan, it is to hard to resolve the traffic system. Specifically, rural highway is the mainstream road system in Taiwan, and because it has very complex characters, the aim of this study is to know the characters. Based on car-following theory, microscopic traffic flow theory, kinematics theorem, fuzzy theory, and behavioral threshold model, this study is proposed a microscopic traffic flow model, incorporating the car-following threshold and lane-changing models on rural highways. The car following threshold model is developed by classifying the driver risk factor based on GM Model. This study is also proposed a modified lane changing angle and acceleration models considering the lead car difference between car and bus by video recording data as well. The last part is to propose a lane changing rule based on the proceeding lane changing angel and acceleration models. This study result promotes the road administrators to identify and validate the traffic control system or mange the system on rural highways.
謝勝隆. "A study on free-flow speed estimation model of rural highways". Thesis, 2003. http://ndltd.ncl.edu.tw/handle/26qhs3.
Pełny tekst źródłaMa, Jianming 1972. "Bayesian multivariate poisson-lognormal regression for crash prediction on rural two-lane highways". 2006. http://hdl.handle.net/2152/13068.
Pełny tekst źródłaMecham, Megan E. "Optimal sensor placement for measuring operating speeds through curves on rural two-lane highways". Thesis, 2012. http://hdl.handle.net/1957/30029.
Pełny tekst źródłaGraduation date: 2012
Mwesige, Godfrey. "A methodology for operations-based safety appraisal of two-lane rural highways : Application in Uganda". Doctoral thesis, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-176480.
Pełny tekst źródłaQC 20151106