TRB's Transportation Research Record: Journal of the Transportation Research Board 1847 examines the safety effects of converting intersections to roundabouts, the use of M/G2/1 queuing to determine storage lengths of left-turn lanes at unsignalized intersections, the comparison of operations of single-point and tight urban diamond interchanges, and the optimal location of u-turn median openings on roadways. The papers contained in this volume were among those presented at the 82nd Annual Meeting of the Transportation Research Board in January 2003. For abstracts of some of the papers see C 33099 - C 33106.
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