按照他们的安排，每个交叉路口设置两个感应器：一个测量驶入车流量，另外一个测量驶出车流量。
Their arrangement puts two sensors at each intersection: One measures incoming flow and one measures outgoing flow.
如果你要进入的车道旁边还有一条车道，检查那条道上交通情况以避免与在相同时间驶入驶出车道的其它车辆发生碰撞。
If there is another lane beside the one you are moving into, check traffic in that lane to avoid colliding with a vehicle moving into the lane at the same time as you do.
一量驶入驶出车道，逐渐降低车速以免阻碍在后方行驶的车辆。
Once you are in the lane, slow gradually without causing traffic to pile up behind you.
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