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原文传递 Recurring Traffic Bottlenecks: A Primer. Focus on Low-Cost Operational Improvements.

题名：	Recurring Traffic Bottlenecks: A Primer. Focus on Low-Cost Operational Improvements.
作者：	R. A. Margiotta; N. Spiller;
关键词：	traffic congestion,transportation planning,traffic bottlenecks;traffic safety, traffic control, travel delay, speed limit, merging, traffic operations, construction, costs;
摘要：	The delays arising from traffic congestion are an unavoidably frustrating fact of life. Or are they unavoidable, that is. Why must we accept to take thirty minutes to make what should be a fifteen minute drive. Speed is distance divided by time; unless of course one has to pointlessly add time sitting in bumper to bumper traffic. In that case, speed drifts into delay, which in turn drifts into our lives. In bygone days one could expect a vehicle trip to be governed only by the straight line distance and the performance of car and driver (with a necessary nod to speed limits too). In today's world, that same trip often factors expectations of congestion delay caused by others. Not us, mind you, but others who, if they would only get out of our way, would free that trip back to the bygone era. / Supplementary Notes: Sponsored by Federal Highway Administration, Washington DC. Office of Transportation Management. / 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 5301 Shawnee Road, Alexandria, VA, 22312, USA.
报告类型：	科技报告