District of Columbia CDL Passenger Endorsement: Prohibited Practices Test 2026

Some actions are simply off-limits when passengers are aboard, and knowing them protects your riders and your endorsement. This District of Columbia passenger prohibited practices practice test spells out those don'ts so your CDL passenger endorsement preparation for 2026 covers the rules drivers most often forget.

Questions address fueling with passengers on board, conversing in ways that distract from driving, refueling in enclosed spaces, when a bus must stop at railroad crossings without opening doors improperly, and handling hazardous or forbidden items riders might try to carry on. Each item reinforces the discipline the DC DMV demands of a bus driver responsible for a full load of people in the District of Columbia.

Prohibited-practice items are one segment of a passenger exam whose length differs by location, so confirm the exact number of questions in your District of Columbia CDL Manual. Study these restrictions until they are second nature, then move ahead to the railroad crossings drill.

Keep going:

• District of Columbia Passenger Endorsement Practice Test
• District of Columbia Passenger Endorsement Practice Test 2
• District of Columbia Passenger Endorsement Test
• District of Columbia CDL Practice Test
• District of Columbia Air Brakes Practice Test
• District of Columbia CDL Combination Practice Test
• District of Columbia CDL Pre-Trip Inspection Practice Test
• District of Columbia Hazmat Practice Test
• District of Columbia CDL Practice Test

Every question traces back to the District of Columbia CDL Manual - skim the right-of-way and signs chapters before your retake.