A passenger bus may carry most hazardous materials as long as the packages are properly packed and marked.
Correct answer: B – FALSE
Indiana's official CDL manual warns that most hazardous materials cannot be carried on a bus. Federal passenger-vehicle rules generally prohibit hazardous materials on vehicles carrying passengers for hire when another practicable transportation method is available, subject to limited exceptions such as small-arms ammunition and emergency shipments of drugs, chemicals, and hospital supplies.
Source: Commercial Driver’s License Manual — § 4.2.1, “Hazardous Materials”, 49 CFR § 177.870 — Regulations for passenger carrying vehicles

