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Preemption Strategy For Traffic Signals At Intersections Near Highway Railroad Grade Crossings
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Book Synopsis Preemption Strategy for Traffic Signals at Intersections Near Highway-railroad Grade Crossings by : Hanseon Cho
Download or read book Preemption Strategy for Traffic Signals at Intersections Near Highway-railroad Grade Crossings written by Hanseon Cho and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Because the operational characteristics of signalized intersections near highway-railroad grade crossings (IHRGCs) are different from those of signalized intersections located elsewhere in the traffic system, standard operational strategies do not apply. This is because safe operation at IHRGCs takes precedence over all other objectives. Because the prime objective of the current preemption methods is to clear the crossing, secondary objectives such as safe pedestrian crossing time and minimized delay are given less consideration or ignored completely. Consequently, state-of-the-practice strategies may cause serious pedestrian safety and efficiency problems at IHRGCs. Therefore, there is a definite need for research on how to improve traffic signal preemption strategies. An important element of preemption strategy is detection of trains and prediction of arrival times. However, because of the limitations of current detection technologies, estimation algorithms, etc., there is a wide range in these warning times. In this dissertation, a new train-arrival prediction algorithm was developed using detection equipment located farther upstream from the HRGC. The state-of-the-art transition preemption strategy (TPS) was developed to ensure that as preemption is initiated by approaching trains, the signal display does not change in a manner that endangers either pedestrians or drivers. However, because it does not account for the variability of predicted train arrival times, there is still a possibility of failure. Therefore, a new transition preemption algorithm that is specifically designed to improve intersection performance while maintaining or improving the current level of safety is developed. This dissertation developed a preemption strategy (TPS3) that uses better train arrival time estimates to improve the safety and efficiency of IHRGCs. The approach was simulated on a test bed in College Station, Texas, and it was concluded that the new TPS improves the safety and operation of intersections near highway-railroad grade crossings.
Book Synopsis Traffic Signal Preemption at Intersections Near Highway-rail Grade Crossings by :
Download or read book Traffic Signal Preemption at Intersections Near Highway-rail Grade Crossings written by and published by . This book was released on 2017 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 507: Traffic Signal Preemption at Intersections Near Highway--Rail Grade Crossings documents the current practices of traffic signal preemption deployed at intersections adjacent to railway grade crossing in both the United States and Canada. The study provides information on practices dealing with traffic signal preemption, maintenance, funding, and operations.
Book Synopsis Traffic Signal Operations Near Highway-rail Grade Crossings by : Hans W. Korve
Download or read book Traffic Signal Operations Near Highway-rail Grade Crossings written by Hans W. Korve and published by Transportation Research Board. This book was released on 1999 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents a review of the current practices associated with the operation of traffic signals at intersections located near highway-rail grade crossings.
Book Synopsis Design Guidelines for At-grade Intersections Near Highway-railroad Grade Crossings by : Mark Douglas Wooldridge
Download or read book Design Guidelines for At-grade Intersections Near Highway-railroad Grade Crossings written by Mark Douglas Wooldridge and published by . This book was released on 2000 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Traffic Signal Systems written by and published by . This book was released on 2017 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Engineering Solutions to Improving Operations and Safety at Signalized Intersections Near Railroad Grade Crossings with Active Devices by :
Download or read book Engineering Solutions to Improving Operations and Safety at Signalized Intersections Near Railroad Grade Crossings with Active Devices written by and published by . This book was released on 2005 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Guide for Traffic Signal Preemption Near Railroad Grade Crossing by : Steven P. Venglar
Download or read book Guide for Traffic Signal Preemption Near Railroad Grade Crossing written by Steven P. Venglar and published by . This book was released on 2000 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Transit Research & Technology 5-year Plan by : United States. Federal Transit Administration
Download or read book Transit Research & Technology 5-year Plan written by United States. Federal Transit Administration and published by . This book was released on 1999 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Preemption of Traffic Signals Near Railroad Crossings by :
Download or read book Preemption of Traffic Signals Near Railroad Crossings written by and published by . This book was released on 2003 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Signal Timing Manual by : Thomas Urbanik
Download or read book Signal Timing Manual written by Thomas Urbanik and published by . This book was released on 2015 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: "TRB's National Cooperative Highway Research Program (NCHRP) Report 812: Signal Timing Manual - Second Edition, covers fundamentals and advanced concepts related to signal timing. The report addresses ways to develop a signal timing program based on the operating environment, users, user priorities by movement, and local operational objectives. Advanced concepts covered in the report include the systems engineering process, adaptive signal control, preferential vehicle treatments, and timing strategies for over-saturated conditions, special events, and inclement weather. An overview PowerPoint presentation accompanies the report." --
Author :United States. Congress. House. Committee on Appropriations. Subcommittee on Department of Transportation and Related Agencies Appropriations Publisher : ISBN 13 : Total Pages :2014 pages Book Rating :4.F/5 ( download)
Book Synopsis Department of Transportation and Related Agencies Appropriations for 1999 by : United States. Congress. House. Committee on Appropriations. Subcommittee on Department of Transportation and Related Agencies Appropriations
Download or read book Department of Transportation and Related Agencies Appropriations for 1999 written by United States. Congress. House. Committee on Appropriations. Subcommittee on Department of Transportation and Related Agencies Appropriations and published by . This book was released on 1998 with total page 2014 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Light Rail Service by : Transit Cooperative Research Program
Download or read book Light Rail Service written by Transit Cooperative Research Program and published by . This book was released on 2001 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report provides documentation and presents the results of a study to improve the safety of light rail transit (LRT) in semiexclusive rights-of-way where light rail vehicles operate at speeds greater than 35 mph through crossings with streets and pedestrians pathways. This report also presents the results of field tests conducted to improve the safety of higher speed LRT systems through grade crossing design.
Book Synopsis Roundabouts by : Lee August Rodegerdts
Download or read book Roundabouts written by Lee August Rodegerdts and published by Transportation Research Board. This book was released on 2010 with total page 407 pages. Available in PDF, EPUB and Kindle. Book excerpt: TRB's National Cooperative Highway Research Program (NCHRP) Report 672: Roundabouts: An Informational Guide - Second Edition explores the planning, design, construction, maintenance, and operation of roundabouts. The report also addresses issues that may be useful in helping to explain the trade-offs associated with roundabouts. This report updates the U.S. Federal Highway Administration's Roundabouts: An Informational Guide, based on experience gained in the United States since that guide was published in 2000.
Book Synopsis At-grade Intersections Near Highway-railroad Grade Crossings by : Mark Douglas Wooldridge
Download or read book At-grade Intersections Near Highway-railroad Grade Crossings written by Mark Douglas Wooldridge and published by . This book was released on 2001 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Dept. of Transportation. Grade Crossing Safety Task Force Publisher : ISBN 13 : Total Pages :148 pages Book Rating :4.:/5 (31 download)
Book Synopsis Implementation Report of the USDOT Grade Crossing Safety Task Force by : United States. Dept. of Transportation. Grade Crossing Safety Task Force
Download or read book Implementation Report of the USDOT Grade Crossing Safety Task Force written by United States. Dept. of Transportation. Grade Crossing Safety Task Force and published by . This book was released on 1997 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Preemption of Traffic Signals Near Railroad Crossings by :
Download or read book Preemption of Traffic Signals Near Railroad Crossings written by and published by Institute of Transportation Engineers. This book was released on 2006-01-01 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Surface Transportation and Merchant Marine Publisher : ISBN 13 : Total Pages :96 pages Book Rating :4.:/5 (51 download)
Book Synopsis Grade Crossing Safety by : United States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Surface Transportation and Merchant Marine
Download or read book Grade Crossing Safety written by United States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Surface Transportation and Merchant Marine and published by . This book was released on 2000 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
