Oklahoma CDL — General Knowledge practice
Oklahoma 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
13 questions · pass with 10 correct. You get instant feedback and an explanation after every answer.
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Study questions with answers
12 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. When you park, how should you position the vehicle if possible?
Correct answer: So you can pull forward when you leave
Park so that you can drive straight out when you leave, because having to back up is always risky.
Source: Oklahoma CDL Manual — Section 2: Driving Safely
2. When setting out warning triangles, how should you hold them for your own safety?
Correct answer: Between yourself and oncoming traffic
Hold the triangles between yourself and oncoming traffic so other drivers can see you.
Source: Oklahoma CDL Manual — Communicating
3. Where a stop is required at a crossbuck with no stop line, how close to the nearest rail may you stop?
Correct answer: No closer than 15 feet from the nearest rail
When required to stop, stay at least 15 feet back from the closest rail of the nearest set of tracks.
Source: Oklahoma CDL Manual — Railroad-Highway Crossings
4. What should you do whenever you leave your vehicle?
Correct answer: Apply the parking brake
Apply the parking brake every time you leave the vehicle.
Source: Oklahoma CDL Manual — Section 2: Driving Safely
5. What is the farthest from the nearest rail that a required stop should be made at a crossbuck?
Correct answer: 50 feet
If a stop is required and no stop line is painted, halt within 50 feet of the closest rail.
Source: Oklahoma CDL Manual — Railroad-Highway Crossings
6. On a one-way or divided highway, where do you place the three warning devices?
Correct answer: 10, 100, and 200 feet toward approaching traffic
Place them 10, 100, and 200 feet toward the approaching traffic behind the vehicle.
Source: Oklahoma CDL Manual — Communicating
7. After stopping on the road or shoulder, within how long must you set out emergency warning devices?
Correct answer: 10 minutes
You must place your warning devices within ten minutes of stopping.
Source: Oklahoma CDL Manual — Communicating
8. You should never let traffic trap you in a position where you must...
Correct answer: Stop on the railroad tracks
Never allow conditions to force you to stop on the railroad tracks; be sure you can clear them before starting across.
Source: Oklahoma CDL Manual — Railroad-Highway Crossings
9. How many reflective warning triangles must a commercial vehicle carry?
Correct answer: Three
A vehicle must carry three reflective triangles, or instead at least six fuses or three liquid-burning flares.
Source: Oklahoma CDL Manual — Section 2: Driving Safely
10. When you pull off and stop at the side of the road, what should you turn on?
Correct answer: The four-way emergency flashers
Turn on the four-way flashers, especially at night; don't rely on your taillights to warn others.
Source: Oklahoma CDL Manual — Communicating
11. When you stop at a railroad crossing, what should you turn on?
Correct answer: Turn on your four-way emergency flashers
Turn on your four-way emergency flashers and check for traffic behind you as you stop gradually.
Source: Oklahoma CDL Manual — Railroad-Highway Crossings
12. If a hill or curve blocks the view of your stopped vehicle, how far back should you move a warning device?
Correct answer: Up to 500 feet
Move the rear device back down the road, up to 500 feet, so approaching drivers get warning before the obstruction.
Source: Oklahoma CDL Manual — Communicating
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