Washington CDL — General Knowledge practice
Washington CDL — General Knowledge: Parking & Stopping practice test
Legal and illegal parking, colored curbs, distances from hydrants and crossings, and how to park safely on hills.
Content reviewed against official driver handbooks · August 12, 2026
9 questions · pass with 7 correct. You get instant feedback and an explanation after every answer.
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9 sample Parking & Stopping questions with the correct answer, a short explanation, and the official handbook reference. Read through them, then take the quiz above.
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1. Which set of warning devices satisfies the emergency-equipment requirement for a commercial vehicle?
Correct answer: Three reflective triangles, or six fusees, or three flares
Acceptable warning devices are three reflective triangles, or at least six fusees, or three liquid-burning flares.
Source: Washington CDL Guide — Section 2: Driving Safely (Emergency Equipment)
2. Total stopping distance is made up of which three parts?
Correct answer: Perception distance, reaction distance, and braking distance
Total stopping distance is the sum of perception distance, reaction distance, and braking distance.
Source: Washington CDL Guide — Section 2: Driving Safely (Stopping Distance)
3. You are stopped on a one-way or divided highway. Where should you place your three warning devices?
Correct answer: At 10, 100, and 200 feet toward approaching traffic
On a one-way or divided highway, place warning devices at 10 feet, 100 feet, and 200 feet toward the approaching traffic.
Source: Washington CDL Guide — Section 2: Driving Safely (Communicating Your Presence)
4. If your truck catches fire, where should you NOT pull in to stop?
Correct answer: A service station
Get the vehicle off the road and park in an open area, but do not pull into a service station.
Source: Washington CDL Guide — Section 2: Driving Safely (Fire Fighting)
5. When you must stop and park because of a vehicle fire, where should you position the vehicle?
Correct answer: In an open area away from anything that could catch fire
Park in an open area, away from buildings, trees, brush, other vehicles, or anything else that might catch fire.
Source: Washington CDL Guide — Section 2: Driving Safely (Fire Fighting)
6. You have stopped on a two-lane, undivided road. Where should the warning devices go?
Correct answer: Within 10 feet of the vehicle and 100 feet ahead and behind
On a two-lane or undivided road, place a device within 10 feet of the vehicle's corners and one 100 feet behind and one 100 feet ahead.
Source: Washington CDL Guide — Section 2: Driving Safely (Communicating Your Presence)
7. When you park, how can you make it unnecessary to back up dangerously later?
Correct answer: Park so you can drive forward when leaving
Try to park so you will be able to pull forward when you leave, since backing is always dangerous.
Source: Washington CDL Guide — Section 2: Driving Safely (Backing Safely)
8. Why should you never let traffic conditions trap you into stopping on railroad tracks?
Correct answer: Because you could be trapped on the tracks with a train coming
Never allow traffic to trap you on the tracks; be sure you can get all the way across before you start over a crossing.
Source: Washington CDL Guide — Section 2: Driving Safely (Crossing the Tracks)
9. You stop on a road where a hill or curve blocks the view of your vehicle. What should you do with your rear warning device?
Correct answer: Move it back beyond the hill or curve for visibility
Move the rearmost warning device farther back beyond the hill or curve so approaching drivers get warning while your vehicle is still out of sight.
Source: Washington CDL Guide — Section 2: Driving Safely (Communicating Your Presence)
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