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District of Columbia Passenger CDL Practice Test

Below are 25 exam-style questions for the District of Columbia Passenger CDL knowledge test, modeled on the FMCSA-aligned content used by the DC Department of Motor Vehicles. Try to answer each question on your own before reading the answer key directly under it. The questions and answer choices are shuffled deterministically per state and endorsement, so the order will stay the same on repeat visits — that lets you genuinely measure your improvement.

Heads up: this is a study tool, not a graded exam. Cover the answer with your hand or a sheet of paper for an honest practice run, then re-read the explanations for any questions you missed. Aim for 22 out of 25 or better, three times in a row, before scheduling the real exam.
Question 1 of 25
A bus driver must not permit:
  • A Smoking on a bus where smoking is prohibited
  • B Open alcohol on the bus
  • C Disorderly conduct that endangers others
  • D All of the above
Correct answer: D
All three are restricted on most passenger buses.
Question 2 of 25
During an emergency stop on the highway, a bus driver should:
  • A Pull off as far as possible, set brakes, place triangles, evacuate if needed
  • B Open all doors at speed
  • C Stop in the lane and wait
  • D Drive on the shoulder slowly
Correct answer: A
Pull off, secure the bus, deploy warning triangles, and protect the passengers.
Question 3 of 25
An "intercity bus" usually:
  • A Has no driver
  • B Has a baggage section open to passengers
  • C Allows standees
  • D Does not allow standees and is configured for longer trips
Correct answer: D
Intercity (over-the-road) buses are seated only and configured for long trips.
Question 4 of 25
A driver should never start moving until:
  • A The bus is full
  • B The bus is empty
  • C All passengers have a seat or are properly braced behind the standee line
  • D The dispatcher says so
Correct answer: C
Move only when passengers are seated or properly positioned for safety.
Question 5 of 25
A bus with disabled passengers should:
  • A Have working lifts/ramps and securements
  • B Refuse to carry them
  • C Charge extra fees
  • D Use only the rear door
Correct answer: A
Federal accessibility rules require working lifts and securement for wheelchair users.
Question 6 of 25
When evacuating a bus in an emergency, you should:
  • A Use the rear door for everyone
  • B Open all windows first
  • C Wait for help to arrive
  • D Use the door away from the danger
Correct answer: D
Evacuate from the door safest from the danger and account for every passenger.
Question 7 of 25
When approaching a curve in a loaded bus:
  • A Maintain speed
  • B Increase speed
  • C Brake within the curve
  • D Slow down before entering the curve
Correct answer: D
Reduce speed before the curve; loaded buses have a high center of gravity.
Question 8 of 25
A passenger who interferes with the driver should be:
  • A Ignored
  • B Warned, and if interference continues, the driver may put them off in a safe location
  • C Given a discount
  • D Pushed off the bus immediately
Correct answer: B
Driver authority includes putting off passengers who threaten safety, in a safe location.
Question 9 of 25
When taking on passengers at a stop, the driver should:
  • A Wait for all passengers to be safely aboard before beginning to move
  • B Start moving as the last passenger boards
  • C Press the accelerator slightly
  • D Close the door immediately
Correct answer: A
Wait until everyone is on, paid (if needed), and seated or behind the standee line.
Question 10 of 25
A bus driver should know the location of:
  • A Emergency exits, fire extinguishers, first-aid kits, and reflective triangles
  • B Fuel gauge only
  • C Passenger seat numbers only
  • D Bus depot phone
Correct answer: A
Knowing emergency equipment locations is essential to fast response.
Question 11 of 25
During night driving, a bus driver should:
  • A Speed up because traffic is lighter
  • B Drive with high beams in oncoming traffic
  • C Reduce speed enough to stop within range of low-beam headlights
  • D Disable the dome lights
Correct answer: C
Distance you can see at night is shorter; speed must match.
Question 12 of 25
When passengers are loading or unloading at a stop, the bus must:
  • A Be parked at any angle
  • B Be in neutral with brakes off
  • C Be moving slowly
  • D Be at a complete stop with the parking brake set or service brakes firmly applied
Correct answer: D
Bus is fully stopped and braked while doors are open.
Question 13 of 25
A bus driver may not operate the bus while:
  • A Wearing prescription glasses
  • B Using a hand-held mobile phone
  • C Having coffee
  • D Talking with passengers
Correct answer: B
Federal rules prohibit hand-held mobile phone use while driving a CMV.
Question 14 of 25
A bus may NOT carry:
  • A Luggage in the overhead racks
  • B Bicycles in approved racks
  • C Wheelchair passengers
  • D Cargo that blocks emergency exits
Correct answer: D
Cargo blocking emergency exits is prohibited; passenger safety in evacuation is paramount.
Question 15 of 25
When a passenger asks to be let off between scheduled stops:
  • A Speed to the destination
  • B Always agree immediately
  • C Discharge them only at a safe location and as company policy allows
  • D Refuse no matter what
Correct answer: C
Discharge should be at a safe location consistent with company policy.
Question 16 of 25
When carrying mobility devices, the driver should:
  • A Skip securement on short trips
  • B Secure the device per training and manufacturer's instructions before moving
  • C Move while securement is in progress
  • D Allow the passenger to ride unsecured
Correct answer: B
Secure mobility devices fully before moving the bus.
Question 17 of 25
A bus driver who suspects a passenger is on the verge of a medical emergency should:
  • A Pull over safely, assess the situation, and call for help if needed
  • B Continue to the next scheduled stop
  • C Wait until the end of the trip
  • D Speed to the destination
Correct answer: A
Driver judgement is required; safety of the passenger comes before schedule.
Question 18 of 25
A tour bus driver carrying passengers across state lines must:
  • A Have a current medical card
  • B All of the above
  • C Comply with FMCSA hours-of-service rules for passenger-carrying vehicles
  • D Be in safety compliance
Correct answer: B
All three apply to interstate passenger drivers.
Question 19 of 25
A bus carrying passengers must stop at railroad crossings:
  • A Within 5 feet of the rail
  • B Never; just slow down
  • C Between 15 and 50 feet from the nearest rail
  • D Only when a train is visible
Correct answer: C
Federal rule requires buses to stop in the 15-50-foot zone, open the door, and listen.
Question 20 of 25
A bus driver involved in a crash must:
  • A Tell only the dispatcher
  • B Continue the trip
  • C Wait for passengers to call
  • D Notify the carrier and applicable authorities, render aid, and follow company emergency procedures
Correct answer: D
Standard emergency procedures and reporting apply.
Question 21 of 25
A bus passing through a tunnel marked "No hazardous materials":
  • A Can carry hazmat at off-peak times
  • B Can carry placarded hazmat anyway
  • C Must not carry placarded hazmat
  • D Can carry only Class 9 hazmat
Correct answer: C
Tunnel restrictions apply; rerouting is required.
Question 22 of 25
After unloading at a stop:
  • A Pull away immediately
  • B Reverse to clear the curb
  • C Watch all mirrors and the curb area before pulling away
  • D Honk and drive
Correct answer: C
Many bus accidents happen at stops as people step into traffic or trip on departure.
Question 23 of 25
A bus must be inspected at the end of the trip for:
  • A Fuel only
  • B Sleeping passengers, items left behind, damage to seats and emergency exits
  • C Tire pressure
  • D Headlights only
Correct answer: B
Post-trip walk-through includes a search for forgotten items and any damage to be reported.
Question 24 of 25
Pre-trip inspection of a bus includes checking:
  • A Emergency exits
  • B All of the above
  • C Tires and wheels
  • D Brakes, steering, exhaust, signaling devices
Correct answer: B
Pre-trip is comprehensive: safety systems, emergency equipment, and structural items.
Question 25 of 25
A driver must monitor for fatigue because:
  • A All of the above
  • B Even short trips can be tiring with frequent stops and passenger interactions
  • C Passengers depend on the driver's alertness
  • D Federal HOS rules apply to passenger-carriers as well
Correct answer: A
All three reasons apply to bus drivers.

Study tips for the District of Columbia Passenger exam

The Passenger portion of the District of Columbia CDL exam is graded out of the bank of questions the DC Department of Motor Vehicles draws from each year. While the exact bank is not published, every question is sourced from the Passenger chapter of the District of Columbia CDL handbook, which itself is derived from the FMCSA Model Commercial Driver's License Manual. That means studying our practice tests, reading the corresponding handbook chapter, and re-reading the parts you got wrong is genuinely the most efficient route to a first-time pass.

Most successful applicants follow a simple cycle: take the practice test cold, write down every question you missed, open the matching chapter of the official District of Columbia handbook, re-read the section that contains the right answer, then re-take the practice test 24 to 48 hours later. The 24-hour delay matters — sleep is when your brain commits new information to long-term memory, and CDL knowledge questions reward that kind of consolidated learning rather than cramming.

Pay particular attention to questions that include qualifier words like always, never, only, primary, or most. CDL test writers love to flip the right answer with a single qualifier. When two answer choices look almost identical, pay attention to the verb (is it must, should, or may?) and to any numbers (14 days, 100 air miles, 8 hours, 70/8 split). On endorsement tests in particular, watch for trick framing where a true statement about a different endorsement is offered as the "correct" answer to a question that is actually about Passenger.

Test-day logistics matter too. Bring photo ID, your Social Security card or birth certificate, your medical examiner's certificate (DOT card), and proof of state residency if you haven't already submitted those documents. The DC Department of Motor Vehicles will not let you sit for the knowledge exam without your documentation, and most offices charge an additional fee for re-attempts. Arrive early — the wait at most CDL testing offices runs 30 to 60 minutes — and silence your phone before the exam begins.

Finally, keep your General Knowledge fundamentals sharp even when you're focused on the Passenger exam. Many states administer multiple knowledge tests in a single sitting, and questions on weight definitions (GVWR, GCWR, GAWR), stopping distance, and the pre-trip inspection routine show up across endorsements. If you're unsure on the basics, sit a fresh District of Columbia General Knowledge practice test before scheduling the real exam.

Next steps

Missed more than four questions? Re-read the Passenger study guide and the matching chapter in the official District of Columbia CDL handbook. Then come back and re-take the test. Once you can score 22 of 25 or higher on three runs in a row, you're in good shape to schedule the real exam at your local DC Department of Motor Vehicles office.

Already comfortable with this endorsement? Drill another: DC General Knowledge · DC Air Brakes · DC Combination Vehicles · DC Hazardous Materials · DC School Bus · DC Tank Vehicle · DC Doubles / Triples

New to the CDL process in District of Columbia? Read How to apply for a CDL in District of Columbia for the document checklist and step-by-step timeline.