Development of a Tool for Documenting, Tracking, Recording, and Analyzing Improvements to Intersection Sites and Roadway Departures in Curve Locations : Research Project Capsule
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Development of a Tool for Documenting, Tracking, Recording, and Analyzing Improvements to Intersection Sites and Roadway Departures in Curve Locations : Research Project Capsule

  • Published Date:

    2012-09-01

  • Language:
    English
Filetype[PDF-238.76 KB]


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  • Edition:
    Research project capsule.
  • NTL Classification:
    NTL-HIGHWAY/ROAD TRANSPORTATION-HIGHWAY/ROAD TRANSPORTATION ; NTL-ECONOMICS AND FINANCE-ECONOMICS AND FINANCE ;
  • Abstract:
    Intermodal transportation system planning, design, improvement, performance evaluation, or economic assessments include safety improvements because they lower the overall cost of transportation. State Departments of Transportation (DOTs) are charged with the development and implementation of Strategic Highway Safety Plans (SHSP) as required by law. SHSPs have broader impacts on passenger and freight transportation to the impact on the overall cost of the transportation system. Many states’ SHSPs, as Louisiana’s, include an infrastructure focus area that addresses the locations of the majority of serious injury and fatal crashes, specifi cally intersections and roadway departures in the vicinity of curves. The Federal Highway Administration (FHWA) Highway Safety Improvement Program (HSIP) states, “Intersection safety is a national, state, and local priority. Intersections represent a disproportionate share of the safety problem.” As a result, private and public organizations are devoting resources to help reduce the problem. Louisiana has previously been recognized as a “focus” state for intersections by the FHWA, which was the result of a number of factors, including a higher than the national average of crashes at intersections. Subsequently, Louisiana’s SHSP implementation strategy calls for the “aggressive deployment of low cost safety treatments in a systematic manner based on both historic data and roadway characteristics.” Many states are at a similar stage of their deployment of the SHSPs and have the same problems with respect to intersection crashes and road departure crashes. Thus, evaluating road safety improvements is a common challenge among all state DOTs. To assess the eff ectiveness of the deployed improvements, a system is required that includes a data-tracking capability and an analysis tool. Therefore, a decision support system that incorporates the principles of the recently published AASHTO Highway Safety Manuel (HSM) is needed to allow a timely collection of road improvement data and the evaluation of the safety benefi ts of these improvements.
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