This paper is to evaluate the operational efficiency of intersections only in terms of average waiting time and average number of vehicles 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。
And they are driving more: the number of miles driven by each licensed driver (VMT/LD), excluding commercial vehicles, increased by an average of 0.6% a year between 1988 and 2008.
美国人开车也越来越多：在1998到2008年之间，抛开商业用车，每位持有驾照的司机的行驶里程平均每年增加0.6%。
Your answer should include a model of the effects on traffic flow of the number of lanes, peak and/or average traffic volume, and percentage of vehicles using self-driving, cooperating systems.
你的答案应该包括对车道流量，峰值、（和/或）平均交通量，以及自动驾驶车所占的比例。
Your answer should include a model of the effects on traffic flow of the number of lanes, peak and/or average traffic volume, and percentage of vehicles using self-driving, cooperating systems.
你的答案应该包括对车道流量，峰值、（和/或）平均交通量，以及自动驾驶车所占的比例。
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