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Author:
Publisher:
ISBN:
Category : Express highway interchanges
Languages : en
Pages : 238
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Book Description
This project considered the effects of geometry, traffic operations, safety, signing, and other factors to develop guidelines for understanding the considerations that influence minimum ramp and interchange spacing values. Phase I included conducting a literature search and other information gathering activities, developing a work plan to assess the impact of ramp spacing on traffic operations and safety, and developing a framework for the research guidelines. Phase II included creating microscopic simulation models of closely-spaced ramp combinations calibrated with field data, constructing a crash database and developing crash prediction models, developing a set of guidelines for ramp and interchange spacing, and recommending changes to major resource documents within the transportation profession. As a final product, the team wrote NCHRP Report 687, "Guidelines for Ramp and Interchange Spacing," to assist users as they consider new or modified ramps and interchanges.
Author:
Publisher:
ISBN:
Category : Express highway interchanges
Languages : en
Pages : 238
Get Book Here
Book Description
This project considered the effects of geometry, traffic operations, safety, signing, and other factors to develop guidelines for understanding the considerations that influence minimum ramp and interchange spacing values. Phase I included conducting a literature search and other information gathering activities, developing a work plan to assess the impact of ramp spacing on traffic operations and safety, and developing a framework for the research guidelines. Phase II included creating microscopic simulation models of closely-spaced ramp combinations calibrated with field data, constructing a crash database and developing crash prediction models, developing a set of guidelines for ramp and interchange spacing, and recommending changes to major resource documents within the transportation profession. As a final product, the team wrote NCHRP Report 687, "Guidelines for Ramp and Interchange Spacing," to assist users as they consider new or modified ramps and interchanges.
Author: Brian Ray (Engineer)
Publisher: Transportation Research Board
ISBN: 0309155487
Category : Technology & Engineering
Languages : en
Pages : 194
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Book Description
TRB's National Cooperative Highway Research Program (NCHRP) Report 687: Guidelines for Ramp and Interchange Spacing explores guidelines for ramp and interchange spacing based on design, operations, safety, and signing considerations. The report is designed to help aid the decision-making process when an agency is considering new ramps or interchanges on existing facilities, modifying ramps and interchanges of existing facilities, or when planning and designing new highway and interchange facilities. The guidelines also offer standardized definitions measuring ramp and interchange spacing, which have varied in previous design guides. A final report documenting the full research effort related to the development of NCHRP Report 687 was published as NCHRP Web-Only Document 169--
Author:
Publisher: Aashto
ISBN:
Category : Express highways
Languages : en
Pages : 20
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Book Description
Author: Joel P. Leisch
Publisher:
ISBN: 9780935403947
Category : Express highway interchanges
Languages : en
Pages : 639
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Book Description
Guidebook on designing freeways to promote healthy communities & safer streets.
Author: Kay Fitzpatrick
Publisher:
ISBN:
Category : Express highways
Languages : en
Pages : 106
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Book Description
Author: Darren J. Torbic
Publisher: Transportation Research Board
ISBN: 0309258545
Category : Technology & Engineering
Languages : en
Pages : 131
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Book Description
"TRB's National Cooperative Highway Research Program (NCHRP) Report 730: Design Guidance for Freeway Mainline Ramp Terminals presents design guidance for freeway mainline ramp terminals based on current driver and vehicle behavior. Appendixes A to D to NCHRP Report 730 were not published as part of the print or PDF version of the report. They are only available electronically through the following links: Appendix A: Aerial View of Study Locations. Appendix B: Histograms of Observed Acceleration Rates. Appendix C: Verbal Instructions for Behavioral Study. Appendix D: Potential Changes Proposed for Consideration in the Next Edition of the Green Book (Note: Appendix D contains tracked changes that have been intentionally left intact--i.e., not accepted.)" Appendices are available at: http://www.trb.org/Highways1/Blurbs/167516.aspx--
Author: American Association of State Highway and Transportation Officials. Task Force for Roadside Safety
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 560
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Book Description
Author: Daniel B. Fambro
Publisher: Transportation Research Board
ISBN: 9780309060738
Category : Automobile driving
Languages : en
Pages : 140
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Book Description
Author:
Publisher: AASHTO
ISBN: 1560512717
Category : CD-ROMS.
Languages : en
Pages : 142
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Book Description
Author: Lee August Rodegerdts
Publisher: Transportation Research Board
ISBN: 0309155118
Category : Technology & Engineering
Languages : en
Pages : 407
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Book Description
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.
