Question: Which of these vehicles must always stop before crossing railroad tracks?
A. Tank trucks marked with hazardous materials placards.
B. Motor homes or pickup trucks towing a boat trailer.
C. Any vehicle with 3 or more axles or weighing more than 4,000 pounds.
A. Tank trucks marked with hazardous materials placards.
B. Motor homes or pickup trucks towing a boat trailer.
C. Any vehicle with 3 or more axles or weighing more than 4,000 pounds.
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Tank trucks marked with hazardous materials placards.
Tank trucks vehicles marked with hazardous materials placards must always stop before crossing railroad tracks.
Tank trucks vehicles marked with hazardous materials placards must always stop before crossing railroad tracks.