详情

原文传递 Development of Roundabout Crash Prediction Models and Methods

题名：	Development of Roundabout Crash Prediction Models and Methods
责任者：	National Academies of Sciences, Engineering, and Medicine; Transportation Research Board; National Cooperative Highway Research Program; Erin Ferguson; James Bonneson; Lee Rodegerdts; Nick Foster; Bhagwant Persaud; Craig Lyon; Danica Rhoades
关键词：	Transportation and Infrastructure — Design Transportation and Infrastructure — Safety and Human Factors
学科分类：	暂无分类
摘要：	TRB’s National Cooperative Highway Research Program (NCHRP) Research Report 888: Development of Roundabout Crash Prediction Models and Methods provides crash prediction models that quantify the expected safety performance of roundabouts for motorized and non-motorized road users. Safety performance factors (SPF) and crash modification factors (CMF) are predictive models that estimate expected crash frequencies. These models are used to identify locations where crash rates are higher than expected, to estimate safety benefits of a proposed project, and to compare the safety benefits of design alternatives. SPF and CMF models may help identify and prioritize locations for safety improvements, compare project alternatives by their expected safety benefits, and guide detailed design decisions to optimize safety. Research indicates that roundabouts provide substantial reductions in crashes, and this report determines SPF and CMF specifications for roundabouts. The report includes appendices to the contractor's final report and a Powerpoint presentation.
出版机构：	Transportation Research Board
提交日期：	2019
报告类型：	科技报告
资源类型：	科技（咨询、行业）报告
初始创建时间：	2019