National Academies Press: OpenBook

A Guide for Reducing Head-On Crashes on Freeways (2008)

Chapter: Section IV - Index of Strategies by ImplementationTimeframe and Relative Cost

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Suggested Citation:"Section IV - Index of Strategies by ImplementationTimeframe and Relative Cost." National Academies of Sciences, Engineering, and Medicine. 2008. A Guide for Reducing Head-On Crashes on Freeways. Washington, DC: The National Academies Press. doi: 10.17226/23088.
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Suggested Citation:"Section IV - Index of Strategies by ImplementationTimeframe and Relative Cost." National Academies of Sciences, Engineering, and Medicine. 2008. A Guide for Reducing Head-On Crashes on Freeways. Washington, DC: The National Academies Press. doi: 10.17226/23088.
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SECTION IV Index of Strategies by Implementation Timeframe and Relative Cost Exhibit IV-1 provides a classification of strategies according to the expected time frame and relative cost for this emphasis area. In several cases, the implementation time will be dependent upon such factors as the agency’s procedures, the number of stakeholders involved, and the presence of any controversial situations. The range of costs may also be somewhat variable for some of these strategies, due to many of the same factors. Placement in the table below is meant to reflect costs relative to the other strategies listed for this emphasis area only. The estimated level of cost is for the commonly expected application of the strategy, especially one which does not involve additional right-of-way or major construction, unless it is an inherent part of the strategy. IV-1

SECTION IV—INDEX OF STRATEGIES BY IMPLEMENTATION TIMEFRAME AND RELATIVE COST IV-2 EXHIBIT IV-1 Strategies Classified by Relative Cost and Time Necessary for Implementation Relative Cost to Implement and Operate Strategy Time Frame: Short (less than a year) Low 18.2.A1—Install Left Shoulder Rumble Strips 18.2.A2—Provide Enhanced Pavement Markings and Median Delineation 18.2.D1—Designate “Highway Safety Corridors” Moderate 18.2.D2—Conduct Public Information and Education Campaigns Moderate to High High Time Frame: Medium (1–2 years) Low Moderate 18.2.A3—Provide Improved Pavement Surfaces 18.2.B4—Implement Channelization, Signing and Striping Improvements at Interchanges Susceptible to Wrong-Way Movements 18.2.E1—Enhance Agency Crash Data Systems Moderate to High 18.2.B2—Improve Median Design for Vehicle Recovery 18.2.C1—Improve Design and Application of Barrier and Attenuation Systems High Time Frame: Long (more than 2 years) Low Moderate 18.2.B3—Install Median Barriers for Narrow-Width Medians Moderate to High High 18.2.B1—Provide Wider Medians

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TRB's National Cooperative Highway Research Program (NCHRP) Report 500, Vol. 20, Guidance for Implementation of the AASHTO Strategic Highway Safety Plan: A Guide for Reducing Head-On Crashes on Freeways, provides strategies that can be employed to reduce head-on crashes on freeways.

In 1998, the American Association of State Highway and Transportation Officials (AASHTO) approved its Strategic Highway Safety Plan, which was developed by the AASHTO Standing Committee for Highway Traffic Safety with the assistance of the Federal Highway Administration, the National Highway Traffic Safety Administration, and the Transportation Research Board Committee on Transportation Safety Management. The plan includes strategies in 22 key emphasis areas that affect highway safety. The plan's goal is to reduce the annual number of highway deaths by 5,000 to 7,000. Each of the 22 emphasis areas includes strategies and an outline of what is needed to implement each strategy.

Over the next few years the National Cooperative Highway Research Program (NCHRP) will be developing a series of guides, several of which are already available, to assist state and local agencies in reducing injuries and fatalities in targeted areas. The guides correspond to the emphasis areas outlined in the AASHTO Strategic Highway Safety Plan. Each guide includes a brief introduction, a general description of the problem, the strategies/countermeasures to address the problem, and a model implementation process.

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