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原文传递 Assessment of the Effectiveness of Proposed 'Keep Right Pass Left-It's the Law' Signs on Two-Lane Rural Freeways.

题名：	Assessment of the Effectiveness of Proposed 'Keep Right Pass Left-It's the Law' Signs on Two-Lane Rural Freeways.
作者：	dion, f. liang, z.
关键词：	freeways,two lane highways,lane usage,traffic signs/rural areas, michigan, passing, two way traffic, traffic control, law enforcement, traffic volume, traffic operations, statistical data/passing lanes
摘要：	This study focuses on the problem of unlawful left-lane usage on non-congested two-lane rural freeways in Michigan. According to the Michigan Vehicle Code, vehicles shall remain on the right lane of two-lane sections of rural freeways when not passing other vehicles. While drivers are currently reminded of this rule by signs stating 'Slower Traffic Keep Right' installed as part of the normal post-interchange sign sequence, traffic observations suggest that many motorists do not to follow this rule. As part of an effort to entice drivers to abide by existing rules, this study investigates a proposal to replace current 'Slower Traffic Keep Right' signs with new explicit signs stating 'Keep Right Pass Left-It's the Law.' To assess the effectiveness of this replacement, traffic behavioral data were collected at four rural sites along I-96 in Michigan, first with the existing sign in place and then with the proposed new sign. Tube counters data were collected to compare lane-specific traffic volumes and speed distributions in the presence of each sign. Video data were further collected to obtain information about individual passing events and develop statistics about the validity of left-lane usage by individual vehicles and about left-lane vehicle groupings caused by slow moving vehicles in the freeway left lane. / Supplementary Notes: Sponsored by Michigan Dept. of Transportation, Lansing. / 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