Which Class 1 material may be carried in the passenger-occupied space of a bus transporting passengers for hire?
Correct answer: C – Small-arms ammunition
Federal law generally prohibits Class 1 explosive materials in the passenger-occupied space of a bus carrying passengers for hire. The specific exception is small-arms ammunition. Other explosives do not become permissible merely because they are labeled, hidden, or placed away from the driver; additional limited rules may apply to cargo carried outside the passenger space.
Source: West Virginia Commercial Driver’s License Manual — § 4.2.2, “Forbidden Hazardous Materials”, 49 CFR § 177.870(c) — Regulations for Passenger Carrying Vehicles

