Evaluation Of Off Ramp Right Turn Control At Single Point Urban Interchanges Without Frontage Roads
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Evaluation Of Off Ramp Right Turn Control At Single Point Urban Interchanges Without Frontage Roads
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Author :
language : en
Publisher:
Release Date : 2006
Evaluation Of Off Ramp Right Turn Control At Single Point Urban Interchanges Without Frontage Roads written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Express highway interchanges categories.
This study focused on the control of the off-ramp right turn movement at single point urban interchanges (SPUIs) without frontage roads. The objective of this research project was to evaluate the safety and efficiency of traffic control for off-ramp right turns. For the purposes of this project, two common forms of off-ramp right turn traffic control were investigated: signal control and yield control. The process followed during this research focused on two main aspects of the off-ramp right turn movement: safety and operations. The project was composed of the following stages: literature review, safety analysis and operation analysis. Literature Review: A literature review was conducted to provide the research team a broader perspective on other studies concerned with this aspect of SPUIs. The review was looking for the various traffic controls and interchange configurations that could particularly affect the safety and operation efficiency of off-ramp right turn movement. Safety Analysis: Long-term trends in crash occurrences and short-term observations of conflicts at six study sites (12 off-ramp locations) were analyzed. Crash rates and conflict rates were determined in order to compare and contrast the two means of assessing safety as well as how they relate to the type of the traffic control used at the off-ramps. Operations Analysis: Detailed traffic data collected at the study sites were used to calculate actual delays for off-ramp right turn movements at the study sites. These field data were also used to conduct simulations of interchange sites, which supplemented the calculations based on the limited sample of study sites. The simulation models provided a means of testing different combinations of off-ramp right turn control types and overall interchange conditions in order to determine the effects of signal and yield control.
Single Point Urban Interchange Design And Operations Analysis
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Author : Carroll J. Messer
language : en
Publisher: Transportation Research Board
Release Date : 1991
Single Point Urban Interchange Design And Operations Analysis written by Carroll J. Messer 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 1991 with Technology & Engineering categories.
An Evaluation Of The Michigan Urban Diamond Interchange With Respect To The Single Point Urban Interchange
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Author : Paul B. W. Dorothy
language : en
Publisher:
Release Date : 1997
An Evaluation Of The Michigan Urban Diamond Interchange With Respect To The Single Point Urban Interchange written by Paul B. W. Dorothy and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Roads categories.
Interstate 29 Reconstruction Rose Coulee To Cass County Road No 20
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Author :
language : en
Publisher:
Release Date : 1999
Interstate 29 Reconstruction Rose Coulee To Cass County Road No 20 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with categories.
Roadway Lighting Design Guide
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Author : American Association of State Highway and Transportation Officials
language : en
Publisher: AASHTO
Release Date : 2005
Roadway Lighting Design Guide written by American Association of State Highway and Transportation Officials and has been published by AASHTO this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Technology & Engineering categories.
This guide replaces the 1984 publication entitled An Informational Guide for Roadway Lighting. It has been revised and brought up to date to reflect current practices in roadway lighting. The guide provides a general overview of lighting systems from the point of view of the transportation departments and recommends minimum levels of quality. The guide incorporates the illuminance and luminance design methods, but does not include the small target visibility (STV) method.
Evaluation Of Off Ramp Right Turn Control At Single Point Urban Interchanges Without Frontage Roads
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Author : Arizona Transportation Research Center
language : en
Publisher:
Release Date : 2006
Evaluation Of Off Ramp Right Turn Control At Single Point Urban Interchanges Without Frontage Roads written by Arizona Transportation Research Center and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Express highway interchanges categories.
A Microscopic Inspection Of The Operational Aspects Of Urban Interchanges
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Author : Paul B. W. Dorothy
language : en
Publisher:
Release Date : 1997
A Microscopic Inspection Of The Operational Aspects Of Urban Interchanges written by Paul B. W. Dorothy and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Roads categories.
Evaluation Of Operational Efficiencies Cost And Accident Experience Of Four Phase Single Point Urban Interchanges
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Author : Jim C. Lee
language : en
Publisher:
Release Date : 2002
Evaluation Of Operational Efficiencies Cost And Accident Experience Of Four Phase Single Point Urban Interchanges written by Jim C. Lee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Roads categories.
This research compares two interchange types, the Tight Urban Diamond Interchange (TUDI) and the Four Phase Single Point Urban Interchange (40SPUI). The 40SPUI is referred to in this report as a Single Point Urban Interchange with Frontage Roads (SPUI/F). The objectives of this research were to: (1) evaluate the SPUI/F based on available accident data and conflict analysis techniques, right-of-way and construction costs, and operating efficiency; (2) compare the performance of the SPUI/F and the TUDI; (3) evaluate current SPUI/F design assumptions and operation and recommend design and/or operational changes to enhance performance; and (4) evaluate the interchange form selection (pre-design) process and recommend changes where appropriate. The research found no significant difference in the safety aspects of the two interchange types. The SPUI/F generally did not perform as well operationally as the TUDI, with increased SPUI/F delay as the distance between frontage roads increased.
Compendium Of Technical Papers
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Author : Institute of Transportation Engineers. Meeting
language : en
Publisher:
Release Date : 1994
Compendium Of Technical Papers written by Institute of Transportation Engineers. Meeting and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Traffic engineering categories.
Operational Effects Of Geometrics 2003
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Author : National Research Council (U.S.). Transportation Research Board
language : en
Publisher:
Release Date : 2003
Operational Effects Of Geometrics 2003 written by National Research Council (U.S.). Transportation Research Board and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Highway engineering categories.