This paper is to evaluate the operational efficiency of intersections only in terms ofaverage waiting time and averagenumberofvehicles that have to wait before the at-grade intersections.
本文仅就车辆在平面交叉口前的平均等待时间和平均车辆数来评价交叉口的运行效率。
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And they are driving more: the numberof miles driven by each licensed driver (VMT/LD), excluding commercial vehicles, increased by an average of 0.6% a year between 1988 and 2008.
Your answer should include a model of the effects on traffic flow of the numberof lanes, peak and/or average traffic volume, and percentage of vehicles using self-driving, cooperating systems.