第一种是专用车道系统,其中某些车道是为自动驾驶车辆保留的。
If special purpose lanes were available, the car could enter them and join existing traffic in two different ways.如果有专用车道,汽车可以进入专用车道,以两种不同的方式汇入已有的车流中。
A special purpose lane system would require more extensive physical modifications to existing highways, but it promises the greatest gains in freeway capacity.建立专用车道系统需要对现有公路进行更广泛的物理改造,而它又保证了公路车辆通行量能够得到最大程度的提高。