这个标识代表什么意思?What does this sign mean?

这个标识代表什么意思?What does this sign mean?
倒车进入车道Reverse into a driveway
倒车离开马路Reverse out of the road
路边转弯Turn around in a side road
这条车道仅限直行This lane must proceed straight ahead
小心道路上的潜在障碍Look up for potential obstacles

死记硬背题