Effects of Taper Length on Traffic Operations in Construction Zones PDF Download
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Author: Jerry L. Graham Publisher: ISBN: Category : Roads Languages : en Pages : 48
Book Description
The study dealt with a proposed taper length formula that yields shorter tapers at design speeds below 60 mph than the existing formula, L=WS. Speed, erratic maneuvers, conflicts and encroachment data were collected at four sites, day and night, covering a variety of design speeds and taper lengths. The analyses of the collected data do not implicate the proposed taper lengths as being more hazardous. Erratic-maneuver and slow-moving conflicts rates were never greater with the proposed taper than with the standard or existing taper.
Author: Jerry L. Graham Publisher: ISBN: Category : Roads Languages : en Pages : 48
Book Description
The study dealt with a proposed taper length formula that yields shorter tapers at design speeds below 60 mph than the existing formula, L=WS. Speed, erratic maneuvers, conflicts and encroachment data were collected at four sites, day and night, covering a variety of design speeds and taper lengths. The analyses of the collected data do not implicate the proposed taper lengths as being more hazardous. Erratic-maneuver and slow-moving conflicts rates were never greater with the proposed taper than with the standard or existing taper.
Author: Jack Bishop Humphreys Publisher: ISBN: Category : Roads Languages : en Pages : 152
Book Description
The report presents a prioritized listing of twenty problem statements relating to traffic safety in construction, maintenance and utility work zones. These problem statements were developed from (1) data collected during 103 site visits, (2) an analysis of 30 construction zones before and during accident case studies, (3) a literature review, and (4) personal experiences of an interdisciplinary, six-person professional staff. Results indicate that approximately two-thirds of the work zone safety problems could be ameliorated if current standards and/or knowledge were properly applied. Results also include data relative to traffic control device use, traffic operation, and accident location in work zones.
Author: Jack Bishop Humphreys Publisher: ISBN: Category : Roads Languages : en Pages : 152
Book Description
The report presents a prioritized listing of twenty problem statements relating to traffic safety in construction, maintenance and utility work zones. These problem statements were developed from (1) data collected during 103 site visits, (2) an analysis of 30 construction zones before and during accident case studies, (3) a literature review, and (4) personal experiences of an interdisciplinary, six-person professional staff. Results indicate that approximately two-thirds of the work zone safety problems could be ameliorated if current standards and/or knowledge were properly applied. Results also include data relative to traffic control device use, traffic operation, and accident location in work zones.
Author: Jerry L. Graham
Author: Jerry L. Graham
Author: United States. Federal Highway Administration. Offices of Research and Development
Author: Byrd, Tallamy, MacDonald & Lewis
Author: 
Author: James E. Bryden
Author: United States. Department of Transportation
Author: Jack Bishop Humphreys
Author: 
Author: Jack Bishop Humphreys
Author: United States. Federal Highway Administration