Signalized Intersections

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Signalized Intersections

Signalized Intersections written by Lee August Rodegerdts and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Roads categories.

This guide provides a single, comprehensive document with methods for evaluating the safety and operations of signalized intersections and tools to remedy deficiencies. The treatments in this guide range from low-cost measures such as improvements to signal timing and signage, to high-cost measures such as intersection reconstruction or grade separation. Topics covered include fundamental principles of user needs, geometric design, and traffic design and operation; safety and operational analysis techniques; and a wide variety of treatments to address existing or projected problems, including individual movements and approaches, pedestrian and bicycle treatments, and corridor techniques. It also covers alternative intersection forms that improve intersection performance through the use of indirect left turns and other treatments. Each treatment includes a discussion of safety, operational performance, multimodal issues, and physical and economic factors that the practitioner should consider. Although the guide focuses primarily on high-volume signalized intersections, many treatments are applicable for lower volume intersections as well. The information contained in this guide is based on the latest research available on treatments and best practices in use by jurisdictions across the United States. Additional resources and references are highlighted for the student, practitioner, researcher, or decisionmaker who wishes to learn more about a particular subject.

Signalized Intersections

Signalized Intersections written by Daiheng Ni and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-02-27 with Technology & Engineering categories.

This textbook introduces the basics principles of intersection signalization including need studies, signal phasing, sequencing, timing, as well as more advanced topics such as detectors, controllers, actuated control schemes, and signal coordination. The book covers a variety of topics critical to the set up and operation of intersections controlled by traffic signals. Professor Ni imparts a basic understanding of how intersections work, what justifies intersection signalization, how to properly design phasing and timing plans for intersections, what is needed to run traffic-responsive signals, the workings of traffic controller cabinets, and how to set up signal coordination at multiple intersections—competencies essential to transportation professionals in charge of traffic operation at federal, state, and local levels. Aimed at students in transportation engineering programs with a focus on intersection signalization, the book is also ideal for researchers of traffic dynamics and municipal civil and transportation engineers.

Low Cost Safety Enhancements For Stop Controlled And Signalized Intersections

Low Cost Safety Enhancements For Stop Controlled And Signalized Intersections written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Roads categories.

"The purpose of this document is to present information on suggested effective, low-cost intersection countermeasures developed using intersection safety research results and input from an intersection safety expert panel. These low-cost countermeasures can be applied to a large number of intersections with a high frequency of crashes using a systematic approach. The net impact of such an approach can produce significant reductions in statewide intersection crashes, fatalities, and serious injuries. Low-cost countermeasures are defined as those ranging from $1,000 to $50,000 per intersection"--Page 4

A Guide For Designing And Operating Signalized Intersections In Texas

A Guide For Designing And Operating Signalized Intersections In Texas written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with categories.

Improving Safety At Signalized Intersections Near Vertical Curves

Improving Safety At Signalized Intersections Near Vertical Curves written by Paul A. Barricklow and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Roads categories.

Study Of Accidents At Signalized Intersections Phase I Final Report

Study Of Accidents At Signalized Intersections Phase I Final Report written by Jereen J. Wolverton and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Montana categories.

The objective of this project is to examine accident data at signalized intersections for accident patterns and trends that are susceptible to correction in Montana. The Scope of Work consisted of conducting a literature review, assimilating accident trend statistics, establishing variables of influence and determining significant causal patterns. Accident trend statistics were assimilated for the 3 year period from 1992 to 1994. The following variables were evaluated: type of accident, severity, alcohol involvement, roadway surface conditions, age of drivers, and contributing factors. Montana percentages for these variables were compared to other studies and were found to be similar. Accident trends between Montana's six largest cities (Billings, Great Falls, Missoula, Butte, Helena and Bozeman) were also investigated. Accident type percentages were similar for these cities. Accident rates were calculated along the State Primary Routes in Montana to establish variables of influence and significant causal patterns. Twenty five intersections were selected for further study, in which accident report files were obtained and collision diagrams were constructed. From these collision diagrams, relationships were investigated to determine trends for signalized intersections in Montana. Variables that were determined to affect accidents in Montana were traffic volume and population of the city in which the accidents occurred. Angle and rear end type accidents accounted for the largest percentages of accident types. When compared to other states and studies, accident characteristics in Montana are similar.

Calsig An Analysis And Design Procedure For Signalized Intersections

Calsig An Analysis And Design Procedure For Signalized Intersections written by Michael James Cassidy and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with CALSIG (Computer file) categories.

Triple Left Turn Lanes At Signalized Intersections

Triple Left Turn Lanes At Signalized Intersections written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Left-turn lanes categories.

Median Intersection Design

Median Intersection Design written by Douglas W. Harwood and has been published by Transportation Research Board this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Technology & Engineering categories.

Intersection Negotiation Problems Of Older Drivers Background Synthesis On Age And Intersection Driving Difficulties

Intersection Negotiation Problems Of Older Drivers Background Synthesis On Age And Intersection Driving Difficulties written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Older automobile drivers categories.