14/50.
1.
At a railroad crossing, you must:
Watch for vehicles that must stop at all railroad crossings (school buses, trucks carrying hazardous materials, etc.).
Watch for multiple trains.
Both of the above.
887 43911 13 C [] 0

Answer correctly : 0   |   Wrong : 0

Answer Sheet :

Refresh

Refresh this page and redo the question

Restart

Restart this set of tests