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原文传递 Evaluation of a Rectangular Rapid Flashing Beacon System at the Belmont Ridge Road and W&OD Trail Mid-Block Crosswalk.

题名：	Evaluation of a Rectangular Rapid Flashing Beacon System at the Belmont Ridge Road and W&OD Trail Mid-Block Crosswalk.
作者：	L. E., Gougald; M. W., Cravley
关键词：	Crosswalk; Effectiveness; Highway Administration; Loudoun County(virginia); Mid-black Crowwwalk; Pedestrian Access; Pedestrian-activated Flashing Beacon; Rectangular Rapid Flashing Beacon (rrfb) Syste
摘要：	On April 8, 2013, the Virginia Department of Transportation (VDOT) installed a Rectangular Rapid Flashing Beacon (RRFB) system at Belmont Ridge Road in Loudoun County that included two units at the Washington and Old Dominion (W&OD) Trail crossing in addition to advance warning units for the northbound and southbound travel directions. Recent studies have shown that the devices elicit a greater response from motorists and significantly increase driver yielding behavior at crosswalks when supplementing standard pedestrian crossing warning signs and markings. In July 2008, the Federal Highway Administration gave interim approval for optional use of RRFBs in limited circumstances. The interim approval allows for use as a warning beacon to supplement standard pedestrian warning signs and markings at a pedestrian or school crossing; where the crosswalk approach is not controlled by a yield sign, stop sign, or traffic-control signal; or at a crosswalk at a roundabout. The purpose of this study was to evaluate the utility, effectiveness, and safety of the RRFB system at the intersection of the W&OD Trail and Belmont Ridge Road over a 1-year period. Of particular interest was (1) the percentage of trail users that pressed the push button to activate the RRFBs and whether this varied by mode (pedestrians vs. bicyclists); (2) motorist behavior when the RRFB system was activated versus not activated; and (3) trail user impressions of the system relating to perceptions of safety. Motorist and trail user data and interactions were collected in three separate video data collection efforts: 3 weeks, 5 months, and 1 year after the RRFB system installation. In addition, individual vehicle speed data were collected with a LIDAR gun, and on-site and online surveys were administered to obtain trail user opinions. The results of the study indicated that the RRFB systems had a positive effect on motorist awareness. This was evidenced by the increased yield rates when the system was activ
报告类型：	科技报告