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Evaluating the Effectiveness of Various Truck Lane Restriction Practices in Florida--Phase 2. Volume 2: Safety Analysis of Florida Urban Limited Access Highways with Focus on the Influence of Truck Lane Restriction.
| 题名： | Evaluating the Effectiveness of Various Truck Lane Restriction Practices in Florida--Phase 2. Volume 2: Safety Analysis of Florida Urban Limited Access Highways with Focus on the Influence of Truck Lane Restriction. |
| 作者： | moses, r. price, g. kobelo, d. |
| 关键词： | truck lane restriction,urban limited access highways,safety analysis,florida/regression model, crash analysis/ |
| 摘要： | The safety analysis of Florida urban limited access highways was performed using a negative binomial regression model to analyze crashes occurring before and after a truck lane restriction was imposed on the study corridors. The before-and-after crash analysis data were from the years 2002 to 2006 while the geometric, traffic, and crash data used in the negative binomial regression model were from the year 2005. The results of the negative binomial regression modeling of crashes showed that the coefficient of the truck lane restriction variable in the model was negative, but insignificantly (p < or = 0.808). The negativity of the coefficient indicates that highway sections with a truck lane restriction had insignificantly less crashes than sections without a restriction. A statistical marginal effect analysis showed that in the year 2005, there was a 4 percent decrease in crashes on sections with a truck lane restriction compared to sections that did not have a restriction. / NOTE: Final rept. / Supplementary Notes: See also PB2008-107658. Sponsored by Florida State Dept. of Transportation, Tallahassee. and Federal Highway Administration, Tallahassee, FL. Florida Div. / 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. |
| 报告类型： | 科技报告 |
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