Asked by De

Which of the following vehicles must stop at all railroad grade crossings?

Vehicles carrying hazardous material

School buses not carrying children

School buses not carrying children AND vehicles carrying hazardous material

All Answers 1

Answered by GPT-5 mini AI
School buses not carrying children AND vehicles carrying hazardous material.

Both types are generally required to stop at all railroad grade crossings (to check for trains). Note: exact rules can vary by state — some jurisdictions have limited exceptions — so follow local law.