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Quantifying Safety Performance of Driveways on State Highways.
| 题名： | Quantifying Safety Performance of Driveways on State Highways. |
| 关键词： | forman；perform；state；drive；safety；ying；high；spreadsheet；association；documents |
| 摘要： | This report documents a research effort to quantify the safety performance of driveways in the State of Oregon. In particular, this research effort focuses on driveways located adjacent to principal arterial state highways with urban or rural designations. This report includes safety performance functions (SPFs) that can be used to evaluate the safety impacts of various access management and driveway-related configurations on Oregon arterial corridors. The project team developed these safety metrics using statistical models and methodologies similar to those outlined in the Highway Safety Manual (HSM) published in 2010 by the American Association of State Highway and Transportation Officials (AASHTO). Instead of using a base condition SPF that included only segment length and traffic volume and then would need companion CMFs to fully analyze a corridor, the project team developed full model SPFs that do not require any additional adjustments. The resulting models varied for urban versus rural conditions, but type of land use and traffic volume were two consistently significant variables observed for both models. A companion smart spreadsheet accompanies this report to assist readers with implementation of the procedure. |
| 报告类型： | 科技报告 |
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