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Potential Effectiveness of Signal Optimization for Various Corridors in Michigan.
| 题名： | Potential Effectiveness of Signal Optimization for Various Corridors in Michigan. |
| 作者： | green, p. e. blower, d. |
| 关键词： | effectiveness, crashes, statistical model, before-after study |
| 摘要： | This study investigates the potential effectiveness of signal timing at 130 intersections located on five corridors in southeast Michigan. Effectiveness is measured in terms of reduced numbers of crashes after signal timing was introduced. Five years of Michigan crash data from 2001 through 2005 were used to count crashes both before and after signal timing. For each of the 130 intersections, crash sites were geographically located on maps using a spatial analysis software tool and summary crash statistics were provided for injury severity, time of day, day of week, and crash type. In total, there were 12,438 crashes on the 130 intersections. Approximately 80 percent of these crashes resulted in property damage only, and about half were rear-end type crashes. A before-after statistical model was developed to assess the effects of signal timing on the numbers of crashes after the intervention. / NOTE: Special rept. / Supplementary Notes: See also appendix, PB2007-112689. Sponsored by Michigan Department of Transportation, Southfield. Metro Region Office. / Availability Note: Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5285 Port Royal Road, Springfield, VA, 22161, USA. |
| 总页数： | u0725；50p |
| 报告类型： | 科技报告 |
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