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原文传递 Evaluation of Alternative Truck Lane Management Strategies Along a Section of I-81.

题名：	Evaluation of Alternative Truck Lane Management Strategies Along a Section of I-81.
作者：	H. Rakha; S. Park; M. Arafeh; I. El-Shawarby;
关键词：	highway transportation,lane usage,transportation management,trucks,alternative truck lane management;traffic volume, roads, travel demand, traffic engineering, benefit cost analysis, traffic safety, traffic models, traffic capacity, urban areas, virginia;
摘要：	I-81 is one of the top eight truck routes in the U.S. In the state of Virginia, I-81 traverses 325.51 miles from Tennessee in the south to the West Virginia border in the north and passes through 12 counties. The highway was designed for a 15 percent truck volume, however trucks now account for somewhere between 20 to 40 percent of the total traffic volume. In 2001, the Virginia Department of Transportation (VDOT) developed a list of key improvements for I-81. Some of the key findings of the study were: (1) 2004 traffic volumes will nearly double by 2035; (2) Nearly the entire corridor needs additional capacity by 2035; (3) Estimates of future traffic volume do not support building two additional lanes in each direction for use only by trucks. Such a design would provide too much roadway capacity for trucks and not enough capacity for cars; and (4) Up to 37%of I-81 requires one additional lane in each direction, while much of the remainder may need up to two additional lanes in each direction to handle future traffic. / Title Note: Final rept. / Supplementary Notes: Sponsored by Federal Highway Administration, Washington, DC., Department of Transportation, Washington, DC. Research & Innovative Technology Administration (RITA)., Virginia Transportation Research Council, Charlottesville. and Virginia Dept. of Transportation, Richmond. / Availability Note: Product reproduced from digital image. 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 5301 Shawnee Road, Alexandria, VA, 22312, USA. / NTIS Prices: PC A06/MF A06 / NTIS In-house Control Codes: dotfha;12111,1101
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