1. D
Make careful checks before entering the level crossing, to check it is clear
2. A
They are small, and can easily be obscured from view , making them hard to see
3. D
Proceed with caution, giving way if required, as there is no obvious right of way
4. C
You are being warned of quickly slowing or stopped traffic ahead.
5. D
Pedestrians will walk towards oncoming traffic, on the left hand side, for safety
6. B
Make all your checks before moving the car, then you are able to wait if needed