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Highway Capacity and Level of Service最新文献

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Some aspects of speed-flow relations on German motorways 德国高速公路速度流关系的几个方面
Highway Capacity and Level of Service Pub Date : 1900-01-01 DOI: 10.1201/9780203751916-34
Schmidt Gerhard, Stappert Karl-Heinz
{"title":"Some aspects of speed-flow relations on German motorways","authors":"Schmidt Gerhard, Stappert Karl-Heinz","doi":"10.1201/9780203751916-34","DOIUrl":"https://doi.org/10.1201/9780203751916-34","url":null,"abstract":"Based on long-term speed measurements within the \"Exhaust Gas Large-Scale Test 1985\" (Abgas-Grossversuch) at about 30 points of the German motorway network, speed-flow curves were derived and analysed. All curves are related to road sections of 2 or 3 lanes with only low incline and without speed limits because there exists no general speed limit for passenger cars on German motorways, only a recommended speed of 130 km/h (81 mph). The study was sponsored by the Federal Minister of Transport and was to update the curves of earlier investigations which were no longer relevant because of general changes of many parameters of traffic and traffic behaviour.","PeriodicalId":123979,"journal":{"name":"Highway Capacity and Level of Service","volume":"243 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122157555","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Modelling the driving behaviour influenced by information technologies 模拟受信息技术影响的驾驶行为
Highway Capacity and Level of Service Pub Date : 1900-01-01 DOI: 10.1201/9780203751916-32
U. Reiter
{"title":"Modelling the driving behaviour influenced by information technologies","authors":"U. Reiter","doi":"10.1201/9780203751916-32","DOIUrl":"https://doi.org/10.1201/9780203751916-32","url":null,"abstract":"It turned out to be useful to estimate possible effects of onboard information technologies on traffic flow before the start of introduction. One possibility for doing this is the simulation of traffic flow. Hence, a theoretical model has been developed, describing the influence of information technologies on driving behaviour. This model has been integrated into a microscopic traffic simulation system. Described in this paper are human driving behaviour with the driver supported by additional information, as well as automatic driving behaviour, with special equipment controlling vehicle movement. Differences in traffic flow between not supported, partially supported and completely supported driving are shown, being a result of preliminary investigations.","PeriodicalId":123979,"journal":{"name":"Highway Capacity and Level of Service","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130324880","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Determination of delays in pretime-controlled approach lanes to intersections for any traffic conditions 确定在任何交通条件下，预时间控制的交叉口进近车道的延迟
Highway Capacity and Level of Service Pub Date : 1900-01-01 DOI: 10.1201/9780203751916-35
W. Schnabel
{"title":"Determination of delays in pretime-controlled approach lanes to intersections for any traffic conditions","authors":"W. Schnabel","doi":"10.1201/9780203751916-35","DOIUrl":"https://doi.org/10.1201/9780203751916-35","url":null,"abstract":"The calculation model described is used to determine the mean delay of a vehicle for any traffic conditions and periods of time. Random traffic flow conditions are taken as a basis to describe and explain the model in detail. The model can also be applied to non-random flow conditions. Results of extensive investigations in Dresden are reported.","PeriodicalId":123979,"journal":{"name":"Highway Capacity and Level of Service","volume":"98 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116325653","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Representing the effects of transit stops at signalized intersections 表示在有信号的十字路口的公交站点的影响
Highway Capacity and Level of Service Pub Date : 1900-01-01 DOI: 10.1201/9780203751916-49
S. Yagar, M. Jacques
{"title":"Representing the effects of transit stops at signalized intersections","authors":"S. Yagar, M. Jacques","doi":"10.1201/9780203751916-49","DOIUrl":"https://doi.org/10.1201/9780203751916-49","url":null,"abstract":"When buses/streetcars stop to load/unload passengers in the travelled right-of-way they delay other traffic. Various methods have been proposed to account for this capacity reduction. The simplest way is to reduce the effective green time by the amount of green time during which the transit vehicle prevents other vehicles from reaching the intersection. This is complicated by the acceleration/deceleration for the stop, and the overlap of green/amber/red phases in a stop. Representing the effects of transit stops in signal network optimization models is particularly critical. The paper identifies the transit stop interaction problem, discusses its implications, and examines methods for estimating the effects of transit stoppings on intersection capacity and representing these in both fixed-time and real-time signal optimization models.","PeriodicalId":123979,"journal":{"name":"Highway Capacity and Level of Service","volume":"2012 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127407643","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Freeway capacity and flow relationships 高速公路容量和流量关系
Highway Capacity and Level of Service Pub Date : 1900-01-01 DOI: 10.1201/9780203751916-46
E. Wemple, A. Morris, A. May
{"title":"Freeway capacity and flow relationships","authors":"E. Wemple, A. Morris, A. May","doi":"10.1201/9780203751916-46","DOIUrl":"https://doi.org/10.1201/9780203751916-46","url":null,"abstract":"","PeriodicalId":123979,"journal":{"name":"Highway Capacity and Level of Service","volume":"83 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114501350","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Some issues regarding the numerical value of freeway capacity 高速公路通行能力数值计算的若干问题
Highway Capacity and Level of Service Pub Date : 1900-01-01 DOI: 10.1201/9780203751916-1
K. Agyemang-Duah, F. Hall
{"title":"Some issues regarding the numerical value of freeway capacity","authors":"K. Agyemang-Duah, F. Hall","doi":"10.1201/9780203751916-1","DOIUrl":"https://doi.org/10.1201/9780203751916-1","url":null,"abstract":"Fifty-two days of data on peak period traffic volume, occupancy and speed from a section of the Queen Elizabeth Way in Mississauga, Ontario, were used to investigate the possibility of a drop in capacity as a queue forms, as well as the numerical definition of capacity. A drop in capacity of 98 passenger cars per hour per lane (pcphpl) was found when a queue formed. The numerical values of capacity before and after the queue formed were 2,300 pcphpl and 2,200 pcphpl, respectively.","PeriodicalId":123979,"journal":{"name":"Highway Capacity and Level of Service","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128160857","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 18
Estimating delay at coordinated signalized intersections 协调信号交叉口延迟估计
Highway Capacity and Level of Service Pub Date : 1900-01-01 DOI: 10.1201/9780203751916-13
D. Fambro, C. Messer
{"title":"Estimating delay at coordinated signalized intersections","authors":"D. Fambro, C. Messer","doi":"10.1201/9780203751916-13","DOIUrl":"https://doi.org/10.1201/9780203751916-13","url":null,"abstract":"","PeriodicalId":123979,"journal":{"name":"Highway Capacity and Level of Service","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130709662","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Pedestrians at signalized intersections 行人在有信号的十字路口
Highway Capacity and Level of Service Pub Date : 1900-01-01 DOI: 10.1201/9780203751916-38
A. Tarko, S. Gaca
{"title":"Pedestrians at signalized intersections","authors":"A. Tarko, S. Gaca","doi":"10.1201/9780203751916-38","DOIUrl":"https://doi.org/10.1201/9780203751916-38","url":null,"abstract":"","PeriodicalId":123979,"journal":{"name":"Highway Capacity and Level of Service","volume":"305 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115525305","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Passing demand on lower volume two-lane highways 低容量双车道高速公路的通行需求
Highway Capacity and Level of Service Pub Date : 1900-01-01 DOI: 10.1201/9780203751916-45
M. Virkler, D. L. Guell
{"title":"Passing demand on lower volume two-lane highways","authors":"M. Virkler, D. L. Guell","doi":"10.1201/9780203751916-45","DOIUrl":"https://doi.org/10.1201/9780203751916-45","url":null,"abstract":"During a pavement resurfacing project a two-lane highway generally remains in service to traffic. Immediate application of no-passing zone markings is expensive and usually results in the need for re-application of the markings within a few days. The lack of no-passing zone markings could produce a hazard to the driving public. The objectives of this study were to evaluate potential safety problems and to recommend traffic volumes at which there is a significant hazard associated with the absence of no-passing markings during a resurfacing project. Analytical models developed by Glennon and Wardrop and the ROADSIM simulation model were used to predict flow characteristics. The operational characteristics associated with levels-of-service were examined to aid the description of speed, passing frequency, passing capacity, platooning and delay.","PeriodicalId":123979,"journal":{"name":"Highway Capacity and Level of Service","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124480304","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Quality of service in the new Canadian signal capacity guide 新加拿大信号容量指南中的服务质量
Highway Capacity and Level of Service Pub Date : 1900-01-01 DOI: 10.1201/9780203751916-39
S. Teply
{"title":"Quality of service in the new Canadian signal capacity guide","authors":"S. Teply","doi":"10.1201/9780203751916-39","DOIUrl":"https://doi.org/10.1201/9780203751916-39","url":null,"abstract":"The Canadian District of the Institute of Transportation Engineers published the First Edition of the Canadian Capacity Guide for Signalized Intersections in 1984. This document aimed at the practicing traffic engineer as the primary user, and the identification of future research needs. The Guide employs a set of simultaneous measures of effectiveness for the analysis of intersection performance. These measures are not amalgamated into a single yardstick - the users are advised to examine all of the measures, and to determine which are critical for the task at hand. The six-year experience with the Guide has been very good. Nevertheless, modifications to some of the procedures and models would now be appropriate. This paper describes the individual measures used in the Guide, and outlines the changes considered for the Second Edition planned for 1992.","PeriodicalId":123979,"journal":{"name":"Highway Capacity and Level of Service","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126329079","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
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