Access Control Design On Highway Interchanges
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Access Control Design On Highway Interchanges
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Author :
language : en
Publisher:
Release Date : 2008
Access Control Design On Highway Interchanges written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Express highways categories.
The adequate spacing and design of access to crossroads in the vicinity of freeway ramps are critical to the safety and traffic operations of both the freeway and the crossroad. The research presented in this report develops a methodology to evaluate the safety impact of different access road spacing standards. The results clearly demonstrate the shortcomings of the AASHTO standards and the benefits of enhancing them. The models developed as part of this research were used to compute the crash rate associated with alternative section spacing. The study demonstrates that the models satisfied the statistical requirements and provide reasonable crash estimates. The results demonstrate an eight-fold decrease in the crash rate when the access road spacing increases from 0 to 300 m. An increase in the minimum spacing from 90 m (300 ft) to 180 m (600 ft) results in a 50 percent reduction in the crash rate. The models were used to develop lookup tables that quantify the impact of access road spacing on the expected number of crashes per unit distance. The tables demonstrate a decrease in the crash rate as the access road spacing increases. An attempt was made to quantify the safety cost of alternative access road spacing using a weighted average crash cost. The weighted average crash cost was computed considering that 0.6, 34.8, and 64.6 percent of the crashes were fatal, injury, and property damage crashes, respectively. These proportions were generated from the field observed data. The cost of each of these crashes was provided by VDOT as $3,760,000, $48,200, and $6,500 for fatal, injury, and property damage crashes, respectively. This provided an average weighted crash cost of $43,533. This average cost was multiplied by the number of crashes per mile to compute the cost associated with different access spacing scenarios. These costs can assist policy makers in quantifying the trade-offs of different access management regulations.
Access Management On Crossroads In The Vicinity Of Interchanges
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Author : Marc A. Butorac
language : en
Publisher: Transportation Research Board
Release Date : 2004
Access Management On Crossroads In The Vicinity Of Interchanges written by Marc A. Butorac 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 2004 with Technology & Engineering categories.
TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 332: Access Management on Crossroads in the Vicinity of Interchanges examines current practices relating to access location and design on crossroads in the vicinity of interchanges. It identifies standards and strategies used on new interchanges and on the retrofit of existing interchanges.
Highway Noise A Design Guide For Highway Engineers
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Author : Bolt, Beranek, and Newman
language : en
Publisher:
Release Date : 1971
Highway Noise A Design Guide For Highway Engineers written by Bolt, Beranek, and Newman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Roads categories.
Various methods of assessing noise, loudness, and noise annoyance are reviewed and explained; sources, types, and intensities of traffic noise are noted; typical means of abatement and attenuation are described; design criteria for various land uses ranging from low-density to industrial are suggested and compared with the results of previous BBN and British systems for predicting annoyance and complaint; and a design guide for predicting traffic noise, capable of being programmed for batch and on-line computer applications, is presented in form suitable for use as a working tool. A flow diagram describes the interrelationships of elements in the traffic noise prediction methodology, and each element is discussed in detail in the text. The text is presented of a tape recording that takes the listener through a series of traffic situations, with such variables as traffic distance, flow velocity, distance, outdoors and indoors, and presence or absence of absorbers and attenuators.
A Policy On Geometric Design Of Highways And Streets 2011
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Author : American Association of State Highway and Transportation Officials
language : en
Publisher: AASHTO
Release Date : 2011
A Policy On Geometric Design Of Highways And Streets 2011 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 2011 with Technology & Engineering categories.
Procedures And Guidelines For Rehabilitation Of Existing Freeway Arterial Highway Interchanges Research Report
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Author :
language : en
Publisher:
Release Date : 1982
Procedures And Guidelines For Rehabilitation Of Existing Freeway Arterial Highway Interchanges Research Report written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with categories.
Traffic Engineering Handbook
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Author : ITE (Institute of Transportation Engineers)
language : en
Publisher: John Wiley & Sons
Release Date : 2016-01-19
Traffic Engineering Handbook written by ITE (Institute of Transportation Engineers) and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-01-19 with Technology & Engineering categories.
Get a complete look into modern traffic engineering solutions Traffic Engineering Handbook, Seventh Edition is a newly revised text that builds upon the reputation as the go-to source of essential traffic engineering solutions that this book has maintained for the past 70 years. The updated content reflects changes in key industry standards, and shines a spotlight on the needs of all users, the design of context-sensitive roadways, and the development of more sustainable transportation solutions. Additionally, this resource features a new organizational structure that promotes a more functionally-driven, multimodal approach to planning, designing, and implementing transportation solutions. A branch of civil engineering, traffic engineering concerns the safe and efficient movement of people and goods along roadways. Traffic flow, road geometry, sidewalks, crosswalks, cycle facilities, shared lane markings, traffic signs, traffic lights, and more—all of these elements must be considered when designing public and private sector transportation solutions. Explore the fundamental concepts of traffic engineering as they relate to operation, design, and management Access updated content that reflects changes in key industry-leading resources, such as the Highway Capacity Manual (HCM), Manual on Uniform Traffic Control Devices (MUTCD), AASSHTO Policy on Geometric Design, Highway Safety Manual (HSM), and Americans with Disabilities Act Understand the current state of the traffic engineering field Leverage revised information that homes in on the key topics most relevant to traffic engineering in today's world, such as context-sensitive roadways and sustainable transportation solutions Traffic Engineering Handbook, Seventh Edition is an essential text for public and private sector transportation practitioners, transportation decision makers, public officials, and even upper-level undergraduate and graduate students who are studying transportation engineering.
State Of The Practice In Highway Access Management
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Author : Jerome S. Gluck
language : en
Publisher: Transportation Research Board
Release Date : 2010
State Of The Practice In Highway Access Management written by Jerome S. Gluck 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 2010 with Highway engineering categories.
This synthesis reports how various agencies have acted on the various components of an access management program, what have been barriers to action, and how new efforts might improve implementation of access management strategies. Primary focus areas considered are legal and legislative bases, contents of policies and programs, implementation aspects, reported effectiveness of program implementation, and profiles of contemporary practice. This synthesis reports on the state of the practice with respect to planning, highway design, development review and permitting, and other focus areas where access management is typically incorporated. The emphasis is placed on states, but counties, municipalities, and metropolitan planning organizations are also considered.
The Handbook Of Highway Engineering
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Author : T.F. Fwa
language : en
Publisher: CRC Press
Release Date : 2005-09-28
The Handbook Of Highway Engineering written by T.F. Fwa and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-09-28 with Technology & Engineering categories.
Modern highway engineering reflects an integrated view of a road system's entire lifecycle, including any potential environmental impacts, and seeks to develop a sustainable infrastructure through careful planning and active management. This trend is not limited to developed nations, but is recognized across the globe. Edited by renowned authority
Us 73 75 Omaha Nebraska City Expressway Construction Oto Cass Sarpy Douglass Counties
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Author :
language : en
Publisher:
Release Date : 1979
Us 73 75 Omaha Nebraska City Expressway Construction Oto Cass Sarpy Douglass Counties written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with categories.
Recent Roadway Geometric Design Research For Improved Safety And Operations
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Author : Marcus Brewer
language : en
Publisher: Transportation Research Board
Release Date : 2012
Recent Roadway Geometric Design Research For Improved Safety And Operations written by Marcus Brewer 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 2012 with Technology & Engineering categories.
RB’s National Cooperative Highway Research Program (NCHRP) Synthesis 432: Recent Roadway Geometric Design Research for Improved Safety and Operations reviews and summarizes roadway geometric design literature completed and published from 2001 through early 2011, particularly research that identified impacts on safety and operations.