National Academies Press: OpenBook

A Guide for Reducing Speeding-Related Crashes (2009)

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

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Suggested Citation:"Section IV - Index of Strategies by Implementation Timeframe and Relative Cost." National Academies of Sciences, Engineering, and Medicine. 2009. A Guide for Reducing Speeding-Related Crashes. Washington, DC: The National Academies Press. doi: 10.17226/14227.
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Page 17
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Suggested Citation:"Section IV - Index of Strategies by Implementation Timeframe and Relative Cost." National Academies of Sciences, Engineering, and Medicine. 2009. A Guide for Reducing Speeding-Related Crashes. Washington, DC: The National Academies Press. doi: 10.17226/14227.
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SECTION IV Index of Strategies by Implementation Timeframe and Relative Cost A central tenet of the AASHTO Strategic Highway Safety Plan and its application at the state or local level is the time and cost to implement. Emphasis is on identifying strategies that are low cost (and hence able to be implemented on a broad or systematic basis), and take little time to implement. Time to implement addresses the urgency of achieving meaningful reductions in fatalities as quickly as is possible. In developing this and other similar guides, strategies that appear effective yet are clearly expensive and/or time-consuming were excluded. Exhibit IV-1 provides a classification of strategies according to the expected timeframe required for implementation and relative cost to implement and operate each strategy for this emphasis area. In several cases, the implementation time will be dependent on 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, rather than relative to strategies discussed in other guides in the NCHRP Report 500 series. 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 EXHIBIT IV-1 Strategies Classified by Relative Cost and Time Necessary for Implementation Relative Cost to Implement and Operate Strategy Timeframe: Short (less than 1 year) Low A1 Set speed limits that account for roadway design, traffic, and environment A2 Implement variable speed limits A3 Implement differential speed limits for heavy vehicles if appropriate B2 Increase public awareness of potential penalties for speeding B3 Increase public awareness of risks of not wearing seatbelts B4 Implement neighborhood speed watch/traffic management programs C3 Increase penalties for repeat and excessive speeding offenders C4 Strengthen the adjudication of speeding citations to enhance the deterrent effect of fines

Moderate Moderate to High High Timeframe: Medium (1–2 years) Low Moderate Moderate to High High Time Frame: Long (more than 2 years) Low Moderate Moderate to High High SECTION IV—INDEX OF STRATEGIES BY IMPLEMENTATION TIMEFRAME AND RELATIVE COST IV-2 C5 Increase fines in special areas D1 Improve speed limit signage D2 Implement active speed warning signs E4 Provide adequate change + clearance intervals at signalized intersections E5 Operate traffic signals appropriately for intersections and corridors (signal progression) B1 Increase public awareness of the risks of driving at unsafe speeds B5 Implement Safe Community programs C1 Use targeted conventional speed enforcement programs at locations known to have speeding-related crashes D3 Use in-pavement measures to communicate the need to reduce speeds E8 Install lighting at high-speed intersections C2 Implement automated speed enforcement D4 Implement variable message signs E3 Provide appropriate intersection design for speed of roadway E6 Provide adequate sight distance for expected speeds E7 Implement protected-only signal phasing for left turns at high-speed signalized intersections E9 Reduce speeds and/or volumes on both neighborhood and downtown streets with the use of traffic calming and other related countermeasures E2 Effect safe speed transitions through design elements and on approaches to lower speed areas E1 Use combinations of geometric elements to control speeds EXHIBIT IV-1 (Continued) Strategies Classified by Relative Cost and Time Necessary for Implementation Relative Cost to Implement and Operate Strategy

Next: Section V - Description of Strategies »
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TRB's National Cooperative Highway Research Program (NCHRP) Report 500, Vol. 23: Guidance for Implementation of the AASHTO Strategic Highway Safety Plan: A Guide for Reducing Speeding-Related Crashes provides suggested guidance on strategies that can be employed to reduce crashes involving speeding.

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 last few years the National Cooperative Highway Research Program (NCHRP) has developed a series of guides, all of which are now 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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