By law, the buses warning lights must only be used when: School Bus Endorsement By law, the buses warning lights must only be used when: Answer: Stopping to unload students. Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.