Hazmat on Passenger Vehicles
11 free questions, part of the Passenger (P) Endorsement CDL practice test
Buses can carry only a short list of hazardous materials, in limited amounts, under 49 CFR 177.870: the total of all hazmat aboard can't exceed 100 pounds, no single class can exceed specific limits, and some materials like Class 6 poison gas can never be carried on a bus at all. ELDT.io has 11 free practice questions covering what's allowed, what's banned, and how to spot an unlabeled hazardous item a rider tries to bring aboard.
Questions about Hazmat on Passenger Vehicles
What's the maximum total weight of hazmat a bus may carry?
Under 49 CFR 177.870(e), the combined weight of all hazardous materials on a bus at one time can't exceed 100 pounds, and that's on top of the per-class limits for individual hazard categories.
What hazardous material can never be carried on a bus, in any amount?
Class 6 poison gas and other materials identified as too dangerous for passenger-carrying vehicles under 49 CFR 177.870(f) are never allowed on a bus, regardless of quantity or packaging.