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Design Speed, Operating Speed, and Posted Speed Practices
| 题名： | Design Speed, Operating Speed, and Posted Speed Practices |
| 作者： | empty |
| 关键词： | Traffic##Speed##Policy guidelines##Geometric conditions##Operating practices## |
| 摘要： | The goals of this research were to reevaluate current procedures, especially how speed is used as a control in existing policy and guidelines and then develop recommended changes to the design process. This report examines the relationship between design speed and operating speed through a survey of the practice and a thorough analysis of geometric, traffic and speed conditions. The basis for recent changes in speed definitions in AASHTO's A Policy on Geometric Design Devices (MUTCD) are presented. This document represents the documentation included with PB2004-500039. |
| 总页数： | 108 |
| 报告类型： | 科技报告 |
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