Parking & Stopping

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.

1. 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. 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. 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. 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. 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. 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. 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. 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. 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. 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. 11. When you stop at a railroad crossing, what should you turn on?

    Correct answer: 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. 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