Scenic Byways: States' Use of Geometric Design Standards PDF Download
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 24
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 24
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Author: United States. General Accounting Office
Publisher:
ISBN:
Category : Landscapes
Languages : en
Pages : 24
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Author: U S Government Accountability Office (G
Publisher: BiblioGov
ISBN: 9781289019730
Category :
Languages : en
Pages : 24
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Book Description
Pursuant to a congressional request, GAO reviewed: (1) the design standards states use or plan to use to improve and reconstruct roads in scenic areas; and (2) what national design standards or guidance is available to states for improving and reconstructing such roads. GAO found that: (1) twenty-four of the 29 states surveyed use the American Association of State Highway and Transportation Officials' guidance (green book) as their standard for improving or reconstructing their scenic byways; (2) the green book affords enough flexibility to preserve scenic resources while meeting the states' needs for mobility; (3) states rely on the green book because they are concerned that they may be sued for a deficient design if an accident occurs on a road that has been designed using an alternative design standard; (4) the remaining five states have developed or are planning to develop their own standards to avoid having to take design exceptions; (5) there are other sources available to states concerning the national guidance standards on geometric design, including the National Park Service's (NPS) Park Road Standards and the Transportation Research Board's (TRB) criteria for resurfacing, restoring, and rehabilitating roadways, which is referred to as the 3R criteria; (6) NPS standards give higher priority to scenic preservation, while the 3R criteria emphasize preserving the existing roadway; and (7) the issues in selecting the appropriate design standard for a scenic byway depends on the primary purpose of the road.
Author: United States. General Accounting Office
Publisher:
ISBN:
Category : Landscapes
Languages : en
Pages : 20
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Author: American Association of State Highway Officials. Committee on Planning and Design Policies
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 20
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Author: California. Division of Highways
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 72
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Author:
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 12
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Author: Christiana M. Briganti
Publisher:
ISBN:
Category : Mountain roads
Languages : en
Pages : 29
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Book Description
The purpose of this study was to develop a system design and information evaluation process that could be used to review proposed or designated scenic byways. The process was intended to ensure that the geometric and traffic design of these roads were compatible with their intended use. The process that was developed involves the following steps: (1) collection of data pertaining to traffic accidents and geometric elements, (2) analysis of accident and traffic data, (3) identification of improvements for motorized and nonmotorized traffic, and (4) provision of information and services. The process was successfully used to identify design and information requirements for an existing scenic byway: Route 711, located in Powhatan County, Virginia. The authors recommend that VDOT develop a design guide and maintain a database of information pertaining to scenic byways. They also recommend that the system design and information methodology be tested by VDOT for other designated and proposed scenic byways.
Author: Bradbury Purinton
Publisher:
ISBN:
Category : Highway planning
Languages : en
Pages : 58
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Virginia has had a scenic roads program since 1966 that provides for the designation of certain roads as Virginia Byways. This program does not require the application of any special technical requirements in the selection, designation, maintenance, or modification of these roads. The research reported herein was undertaken to determine (1) whether these Virginia Byways require special design considerations by virtue of their use, (2) what design elements that would be dictated if special design considerations were found to be appropriate, and (3) the degree to which current standards provide for these considerations. The institutional memory on the subject was reviewed, and current federal and state scenic roads programs were examined. It was concluded (1) that special design considerations are appropriate, (2) that design elements could be identified, and (3) that current design standards provide for neither the design considerations nor the resulting design elements. Recommendations are made for future practice and further research.
Author: James O. Brewer
Publisher: DIANE Publishing
ISBN: 1428952330
Category : Roads
Languages : en
Pages : 63
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