Which of the types of vehicle listed below are forbidden to cross a railway track?

1. AA taxi carrying children on a special tour trip, if the road before the track is not paved with asphalt or concrete for a length of at least 20 metres.
2. BA slow vehicle whose maximum speed does not exceed 40 km/h.
3. CA commercial vehicle carrying or intended to carry dangerous materials, and a vehicle 18 metres long or more.
4. DA vehicle carrying (or intended to carry) 11 passengers or more, including the driver, if the road before the track leading to the crossing is not paved with asphalt or concrete for a length of 20 metres.

Pick an answer to test yourself