crosswalk line

基本解释

If there is no stop line, stop at the crosswalk.
如公路上没有划线，在人行横道前停车。
blog.sina.com.cn
If there is no crosswalk or stop line, stop at a place where all approaching traffic can be seen. Proceed only after stopping and yielding to all pedestrians and other vehicles in the intersection.
如果既没有停止线，也没有人行横道，把车停在所有来往车辆能看到的地方。
xiexiaopu.spaces.live.com
If there is no stop line, stop at the crosswalk, marked or not.
如果未划停车线，在人行横道前停车，不管人行横道有没有划线。
blog.sina.com.cn

Using a series of sensors, cameras and servos the car is able to turn the steering wheel plus activate the throttle and the shifter to navigate across this stretch of road, relying on the road markings painted on the floor to both keep it driving in a straight line and to have it stop, respectfully, at the crosswalk.
ENGADGET: Nissan NSC-2015 self-driving car with LTE and smartphone connectivity (test-ride with video)