Roadway Safety Tools for Local Agencies (2003) / Chapter Skim
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Pages 15-22
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15 SAFETY STUDY DATA -- EFFECTIVE SAFETY TOOLS There is often a need to supplement crash data with other factual traffic and user information. Outlined here are these types of safety data and the value added to the analysis to improve safety.
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16 changing traffic control, resulting in behavior such as red light running. • Inventories -- Basic record keeping, an inventory of existing conditions, improvement activities, and crashes, is essential to improving local safety.
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17 FIGURE 1 Schematic relationship between access and movement function of streets. [Source: Fundamentals of Traffic Engineering, 15th ed.
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18 Facts, tips, and briefing sheets designed to help local agencies have been developed on a number of safety topics. Examples are provided in Appendixes F and G
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19 • Addition of turn lanes at intersections -- Turn lanes are used to separate turning traff ic from through traffic. As mentioned, studies have shown that providing turn lanes for left-turning vehicles can reduce accidents by approximately 32%.
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20 included in the appendix can benefit local agencies by providing quick sources of information, as well as the methodology to evaluate safety issues. There are new standards for work zone traffic control and sign supports.
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21 even investment. If there is only one solution, then a benefit– cost ratio greater than or equal to one is desired.
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22 index.asp, provides a link to each goal, and the associated strategies and an opportunity to stay current on the developments of the resource documents for implementing the strategies. The first six publication titles addressing these goals are in draft form and are cited as references in Appendix K, along with the AASHTO table of contents page for the strategic plan.
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