Large Truck Safety in North Carolina: the Identification of Problem Locations on the Designated Route System. Phase 2 Final Report PDF Download
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Author: Forrest M. Council
Publisher:
ISBN:
Category :
Languages : en
Pages : 44
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Book Description
Author: Forrest M. Council
Publisher:
ISBN:
Category :
Languages : en
Pages : 44
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Book Description
Author:
Publisher:
ISBN:
Category : Transportation
Languages : en
Pages : 574
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Book Description
Author:
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ISBN:
Category : Science
Languages : en
Pages : 650
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Book Description
Author:
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Category : Government publications
Languages : en
Pages : 1656
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Author: David L. Harkey
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Category : Pavements
Languages : en
Pages : 140
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Book Description
This study was conducted to determine the differences in performance between 102-in. (259-cm) wide and 96-in. (244-cm) wide trucks and the impact that these trucks have on other traffic. Trucks which were studied primarily included random trucks in the traffic stream, although a limited amount of control truck data were also collected to account for driver differences. Truck data were collected on rural two-lane and multilane roads which included curve and tangent sections and a variety of roadway widths and traffic conditions. The data collection effort resulted in approximately 100 hours of videotape and 9,000 slides from which various measures of effectiveness (MOEs) were extracted. A number of MOEs were used to test for the operational effects of differential truck widths, lengths, and configurations. Such measures included: (1) lateral placement of the truck and the opposing or passing vehicle, (2) lane encroachments by the truck or opposing vehicle, and (3) edgeline encroachments by the truck or opposing vehicle.
Author:
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Category : Highway engineering
Languages : en
Pages : 1006
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Author:
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Category : Highway engineering
Languages : en
Pages : 592
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Book Description
Author: Forrest M. Council
Publisher:
ISBN:
Category :
Languages : en
Pages : 65
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Book Description
Author:
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Category : Traffic safety
Languages : en
Pages : 172
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Author:
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Category : Traffic accidents
Languages : en
Pages : 154
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Book Description
This report examines the roadway, crash, vehicle, individual and environmental factors that are associated with fatal and serious injury crashes in North Carolina between 1993 and 1997. The initial analysis identifies road classifications, geographic characteristics, and time trends related to severe crashes using Highway Safety Information Systems (HSIS) segment and crash data. HSIS system highways in North Carolina included the state primary and major secondary routes. Non-HSIS roads include local streets and minor secondary streets. Both HSIS and non-HSIS data are used in the more detailed section of the study to analyze the severe crash factors on all HSIS highways, two-lane urban HSIS highways, two-lane rural HSIS highways, urban non-HSIS routes and rural non-HSIS routes. In this report, a test of the standard error of a binomial proportion is used to find the statistical significance of the roadway, crash, vehicle, individual and environmental factors related to severe crashes. The initial analysis shows that urban and rural two-lane roads are associated with the highest crash severity, mountain counties have the highest proportion of severe crashes and crash severity remained stable for some of the most severe crash types. Factors associated with significantly high crash severity on all roadway types include curve, run-off-road, utility pole, tree, head-on, pedestrian, bicycle, darkness and alcohol use. The final section of the report recommends countermeasures that can be used to reduce the incidence of fatal and serious injury crashes associated with these factors.
