Service Levels for Different Interchange Configurations PDF Download
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Author: Melody Dai
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 56
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Book Description
Author: Melody Dai
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 56
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Book Description
Author:
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 140
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Book Description
Author: Nicholas J. Garber
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 126
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Book Description
In Virginia, when new construction or major reconstruction is planned, the current practice is for a location and design engineer to select the interchange type for a given location. The engineer relies upon projected traffic data, right-of-way needs, environmental concerns, safety, and project costs to determine which interchange configuration will most efficiently serve the needs of a certain area. The purpose of this study was to develop guidelines to aid designers in the preliminary selection of the optimum interchange type at a location. This study will provide engineers a starting point to begin their analyses. It is hoped that the development of these guidelines will result in reduced costs, improved levels of service, and increased uniformity. A number of sources were used to develop the guidelines. A literature and a nationwide survey of state engineers helped determine current methods for interchange selection. These surveys also assisted in determining the relative advantages and disadvantages of the various interchange types. Also, 10 interchanges throughout Virginia were studied in order to find their operational and safety characteristics. Extensive computer simulations of the interchange types were performed in order to determine traffic characteristics that affected operations at the interchanges. Based on all of these sources, some general guidelines for preliminary interchange type selection were created.
Author: Thomas Mulinazzi
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 442
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Book Description
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: Keith Wolhuter
Publisher: CRC Press
ISBN: 1482288729
Category : Technology & Engineering
Languages : en
Pages : 600
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Book Description
Explore the Art and Science of Geometric DesignThe Geometric Design of Roads Handbook covers the design of the visible elements of the road-its horizontal and vertical alignments, the cross-section, intersections, and interchanges. Good practice allows the smooth and safe flow of traffic as well as easy maintenance. Geometric design is covered in d
Author: Library of Congress. Exchange and Gift Division
Publisher:
ISBN:
Category : State government publications
Languages : en
Pages : 764
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Book Description
Author: Carroll J. Messer
Publisher: Transportation Research Board
ISBN: 9780309048682
Category : Technology & Engineering
Languages : en
Pages : 116
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Author: J. I. Taylor
Publisher:
ISBN:
Category :
Languages : en
Pages : 252
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 568
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