Highway Safety Improvements: an Evaluation of Title II Countermeasures in the State of Texas PDF Download
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Author: D. W. Sparks
Publisher:
ISBN:
Category :
Languages : en
Pages : 107
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Author: D. W. Sparks
Publisher:
ISBN:
Category :
Languages : en
Pages : 107
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Author: Brenda S. Kalapach
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 65
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Author: Ioannis Tsapakis
Publisher:
ISBN:
Category : Traffic safety
Languages : en
Pages : 225
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The Highway Safety Improvement Program (HSIP) is a core Federal-aid, state-administered program in which each state is required to develop and establish planning, implementation, and evaluation processes. The goal of evaluation activities is to determine if highway safety improvements are achieving the desired results and the investments are worthwhile. The goal of this study is to advance HSIP evaluation processes and practices at the Texas Department of Transportation (TxDOT) and evaluate the safety and cost effectiveness of HSIP projects and countermeasures or work codes (WCs) that have been implemented in Texas over the last few years. This research involved: a) reviewing safety and cost effectiveness evaluation methods, state practices, and tools; b) gathering and compiling TxDOT data and assessing their appropriateness for supporting HSIP evaluations; c) developing safety and cost effectiveness evaluation tools for segments and intersections; and d) evaluating the effectiveness of implemented HSIP projects and countermeasures in Texas. The results show that the evaluated projects have been effective from both a safety and cost perspective in reducing target fatal, suspected serious injury, and non-incapacitating injury (KAB) crashes. The safety effectiveness index of 387 evaluated segment projects (treated as one group) was 0.84, and the corresponding index of 70 intersection projects (treated as one group) was 0.74, indicating an overall reduction in target KAB crashes after the projects were constructed. The benefit/cost ratio of all segment projects was 71.9 and that of all intersection projects (treated as one group) was 145.6.
Author: Ioannis Tsapakis
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 0
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This PowerPoint presentation gives an overview of how highway safety improvement projects (HSIP) and countermeasures are evaluated at TxDOT in collaboration with TTI. Implementation recommendations are shared toward the end of the presentation.
Author:
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 60
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Author:
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Category : Terminals (Transportation)
Languages : en
Pages : 356
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The purpose of this conference was to focus attention on the most costly element of intermodal service, the terminal. In spite of all the recent activity in terminal construction, expansion and rehabilitation, the challenge left is in the development of even more efficient, high-productivity intermodal systems that generate a lower net unit cost per container or trailer. The topics covered are: Surface treatment; Current facility design and construction projects; intermodal equipment, and Operations and process control systems.
Author: United States. National Highway Traffic Safety Administration
Publisher:
ISBN:
Category : Traffic safety
Languages : en
Pages : 548
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Author: United States. Department of Transportation
Publisher:
ISBN:
Category : Traffic safety
Languages : en
Pages : 184
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Author:
Publisher:
ISBN:
Category : Transportation, Automotive
Languages : en
Pages : 474
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Author: United States. National Highway Traffic Safety Administration
Publisher:
ISBN:
Category : Automobiles
Languages : en
Pages : 192
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