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Author : Paul Zador
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.3/5 (555 download)
Download or read book Driver Behavior at Signalized Intersections in Relation to Yellow Intervals written by Paul Zador and published by . This book was released on 1980 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hugh W. McGee
Publisher : Transportation Research Board
ISBN 13 : 0309258596
Total Pages : 93 pages
Book Rating : 4.3/5 (92 download)
Download or read book Guidelines for Timing Yellow and All-red Intervals at Signalized Intersections written by Hugh W. McGee and published by Transportation Research Board. This book was released on 2012 with total page 93 pages. Available in PDF, EPUB and Kindle. Book excerpt: TRB National Cooperative Highway Research Program (NCHRP) Report 731: Guidelines for Timing Yellow and All-Red Intervals at Signalized Intersections offers guidance for yellow change and all-red clearance intervals at signalized intersections. The guidelines provide a framework that can be easily applied by state and local transportation agencies.
Author : Robert Hilton Wortman
Publisher :
ISBN 13 :
Total Pages : 118 pages
Book Rating : 4.3/5 (555 download)
Download or read book An Evaluation of Driver Behavior at Signalized Intersections written by Robert Hilton Wortman and published by . This book was released on 1983 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William L. Williams
Publisher :
ISBN 13 :
Total Pages : 74 pages
Book Rating : 4.3/5 (555 download)
Download or read book Driver Behavior During the Yellow Signal Interval written by William L. Williams and published by . This book was released on 1977 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yohannes Bekele Weldegiorgis
Publisher :
ISBN 13 :
Total Pages : 312 pages
Book Rating : 4.:/5 (118 download)
Download or read book Modeling Driver Behavior at Signalized Intersections with Red Light Camera written by Yohannes Bekele Weldegiorgis and published by . This book was released on 2009 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years many red light cameras have been installed at signalized intersections along urban arterials. The main reason behind installing cameras is to reduce red light running behavior in an effort to improve intersection safety. At red light camera equipped intersections, if a driver is aware of the presence of the cameras his/her driving behavior is bound to change. This behavioral change however, may be intentional or unintentional. The change in behavior will influence the utilization of yellow intervals resulting in an increased "dilemma zone" which in turn, will affect the capacity (or efficiency) of the intersection operation. Motorist behavior at an intersection equipped with red light camera is a major factor contributing to the safety and operation of the intersection. A motorists' decision whether to pass or stop at the intersection during the yellow signal interval depends on a number of factors, such as speed, geometric characteristics, driver's attitude, to name a few. The decision with respect to the yellow signal can result in red light running or rear end and side collisions. Motorists' behavior at red light camera intersections during exposure with a yellow signal may be seen as a binary decision in which case the two main decisions are either to come to a stop or cross the intersection. In this dissertation, a discrete choice model of the stopping probability is developed using vehicles' actual speed and location from the stop line when the motorist is exposed to the yellow signal. A binary choice model is developed using the probability of stopping to the yellow signal as a function of actual approach speed, distance from intersection, and presence of camera. The existence of the dilemma zone is estimated using dilemma zone plots developed from the probability of stopping vs. distance from stop line during the yellow interval. The dissertation also presents a new approach to calculate the change in capacity resulting from drivers stopping at the intersection during the yellow interval. Using field data from Baltimore, Maryland it is shown that the capacity of camera equipped intersections may be lower than that at intersections without cameras. -- Abstract.
Author : Hesham Rakha
Publisher :
ISBN 13 :
Total Pages : 66 pages
Book Rating : 4.:/5 (79 download)
Download or read book Development of a Framework for Evaluating Yellow Timing at Signalized Intersections written by Hesham Rakha and published by . This book was released on 2011 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: Studies show that the proper design of clearance intervals has significant implications for intersection safety. For example, in 2001, approximately 218,000 red-light-running crashes occurred at signalized intersections in the United States. These crashes resulted in nearly 181,000 injuries and 880 fatalities and an economic loss of $14 billion. Driver behavior while the driver is approaching high-speed signalized intersections at the onset of a yellow indication varies as a function of many parameters. Some of these parameters are related to the driver's attributes, e.g., age, gender, perception-reaction time, and acceptable deceleration levels. Other parameters that relate to the intersection geometry include the approach speed, distance, and time to the intersection at the onset of the yellow indication. This study developed a novice approach for computing the clearance interval duration that explicitly accounts for the reliability of the design (probability that drivers are not caught in a dilemma zone). Lookup tables based on the limited data available from this study are provided to illustrate how the framework could be used in the design of yellow timings. The approach was developed using data gathered along Virginia's Smart Road test facility for dry and clear weather conditions for two approach speeds: 72.4 km/h (45 mph) and 88.5 km/h (55 mph). Each dataset includes a complete tracking of the vehicle every deci-second within 150 m (500 ft) before and after the intersection. A total of 3,454 stop-run records were gathered. These include 1,727 records (687 running records and 1,040 stopping records) for an approach speed of 45 mph and 1,727 records (625 running records and 1,102 stopping records) for an approach speed of 55 mph. Using these data, models that characterize driver perception-reaction times and deceleration levels were developed. The application of the proposed approach demonstrates that the current design procedures are consistent with a reliability level of 98%.
Author : Lei Yu
Publisher :
ISBN 13 :
Total Pages : 126 pages
Book Rating : 4.3/5 (555 download)
Download or read book Yellow and Red Intervals to Improve Signal Timing Plans for Left-turn Movements written by Lei Yu and published by . This book was released on 2003 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: This project developed and tested a framework for setting yellow change and red clearance intervals for the left-turn movement, which can be used directly by the field traffic engineers. The framework was designed to incorporate a comprehensive set of parameters related to intersection geometry, perception, human comfort, driver's behavior, safety issues, and traffic related laws. The application of this proposed framework can improve both the safety and the efficiency of the left-turn movement at the intersection. The field data collected from 21 intersections in 8 Texas cities was used for the preliminary calibration of three essential parameters within the improved framework. The three essential parameters are related to drivers' entering driving behavior, drivers' behavior on left-turn curve, and drivers' tolerable centrifugal force, respectively. After the preliminary calibration, a systematic calibration approach was designed to extend the improved framework to a wider range of intersection configurations associated with different approaching speed limits, number of left-turn lanes, control types, and truck percentages. Through this research it is found that the existing yellow change intervals for the left-turn movement should be shorter, and the existing red clearances longer. However, the existing total change intervals need not to be changed. This means that the safety of left-turn can be greatly improved without decreasing the efficiency of the entire intersection operation. This is the final report for the project, which summarizes the work that has been performed during the two-year project research.
Download or read book Determining Vehicle Signal Change and Clearance Intervals written by and published by . This book was released on 1994 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 78 pages
Book Rating : 4.3/5 (555 download)
Download or read book A study of selection of yellow clearance intervals for traffic signals written by and published by . This book was released on 1969 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Myung-Soon Chang
Publisher :
ISBN 13 :
Total Pages : 210 pages
Book Rating : 4.3/5 (91 download)
Download or read book Engineering Factors Affecting Traffic Signal Yellow Time. Final Report written by Myung-Soon Chang and published by . This book was released on 1984 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hugh W. McGee
Publisher :
ISBN 13 : 9780309258593
Total Pages : 100 pages
Book Rating : 4.2/5 (585 download)
Download or read book Guidelines for Timing Yellow and All-red Intervals at Signalized Intersections written by Hugh W. McGee and published by . This book was released on 2012 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: TRB National Cooperative Highway Research Program (NCHRP) Report 731: Guidelines for Timing Yellow and All-Red Intervals at Signalized Intersections offers guidance for yellow change and all-red clearance intervals at signalized intersections. The guidelines provide a framework that can be easily applied by state and local transportation agencies.
Author : Yina Wu
Publisher :
ISBN 13 :
Total Pages : 167 pages
Book Rating : 4.:/5 (912 download)
Download or read book A Comparative Analysis of Different Dilemma Zone Countermeasures at Signalized Intersections Based on Cellular Automaton Model written by Yina Wu and published by . This book was released on 2014 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the United States, intersections are among the most frequent locations for crashes. One of the major problems at signalized intersection is the dilemma zone, which is caused by false driver behavior during the yellow interval. This research evaluated driver behavior during the yellow interval at signalized intersections and compared different dilemma zone countermeasures. The study was conducted through four stages. First, the driver behavior during the yellow interval were collected and analyzed. Eight variables, which are related to risky situations, are considered. The impact factors of drivers' stop/go decisions and the presence of the red-light running (RLR) violations were also analyzed. Second, based on the field data, a logistic model, which is a function of speed, distance to the stop line and the lead/follow position of the vehicle, was developed to predict drivers' stop/go decisions. Meanwhile, Cellular Automata (CA) models for the movement at the signalized intersection were developed. In this study, four different simulation scenarios were established, including the typical intersection signal, signal with flashing green phases, the intersection with pavement marking upstream of the approach, and the intersection with a new countermeasure: adding an auxiliary flashing indication next to the pavement marking. When vehicles are approaching the intersection with a speed lower than the speed limit of the intersection approach, the auxiliary flashing yellow indication will begin flashing before the yellow phase. If the vehicle that has not passed the pavement marking before the onset of the auxiliary flashing yellow indication and can see the flashing indication, the driver should choose to stop during the yellow interval.
Author : U.s. Department of Transportation
Publisher : CreateSpace
ISBN 13 : 9781508557173
Total Pages : 286 pages
Book Rating : 4.5/5 (571 download)
Download or read book Traffic Signal Timing Manual written by U.s. Department of Transportation and published by CreateSpace. This book was released on 2015-02-20 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report serves as a comprehensive guide to traffic signal timing and documents the tasks completed in association with its development. The focus of this document is on traffic signal control principles, practices, and procedures. It describes the relationship between traffic signal timing and transportation policy and addresses maintenance and operations of traffic signals. It represents a synthesis of traffic signal timing concepts and their application and focuses on the use of detection, related timing parameters, and resulting effects to users at the intersection. It discusses advanced topics briefly to raise awareness related to their use and application. The purpose of the Signal Timing Manual is to provide direction and guidance to managers, supervisors, and practitioners based on sound practice to proactively and comprehensively improve signal timing. The outcome of properly training staff and proactively operating and maintaining traffic signals is signal timing that reduces congestion and fuel consumption ultimately improving our quality of life and the air we breathe. This manual provides an easy-to-use concise, practical and modular guide on signal timing. The elements of signal timing from policy and funding considerations to timing plan development, assessment, and maintenance are covered in the manual. The manual is the culmination of research into practices across North America and serves as a reference for a range of practitioners, from those involved in the day to day management, operation and maintenance of traffic signals to those that plan, design, operate and maintain these systems.
Author : William L. Williams
Publisher :
ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.:/5 (618 download)
Download or read book An Analysis of Driver Behavior During the Yellow Signal Interval written by William L. Williams and published by . This book was released on 1964 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kimberly A. Eccles
Publisher :
ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.3/5 (555 download)
Download or read book A History of the Yellow and All-red Intervals for Traffic Signals written by Kimberly A. Eccles and published by . This book was released on 2001 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Timothy J. Gates
Publisher :
ISBN 13 :
Total Pages : 386 pages
Book Rating : 4.:/5 (89 download)
Download or read book A Dynamic On-demand All-red Clearance Interval Extension Process for Stochastic Vehicular Arrivals at Signalized Intersections written by Timothy J. Gates and published by . This book was released on 2007 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 158 pages
Book Rating : 4.:/5 (318 download)
Download or read book Safety and Severity Effects of Increased Yellow Change Interval written by and published by . This book was released on 1994 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:
