Traffic Laws

Study questions with answers

12 sample Traffic Laws questions with the correct answer, a short explanation, and the official handbook reference. Read through them, then take the quiz above.

1. 1. On a four-lane highway where the posted limit is above 40 mph, the required signaling distance before a turn is:

   Correct answer: 200 feet

   On four-lane highways posted faster than 40 mph you must signal 200 feet ahead of a turn or lane change, longer than the 100-foot urban rule.

   Source: Colorado Driver Handbook — Turning (Signaling)

2. 2. As a general rule on a two-way roadway, a Colorado driver is expected to:

   Correct answer: keep to the right half of the road and stay in a single lane

   Drivers must keep to the right half of the road and use only one lane rather than straddling the markings.

   Source: Colorado Driver Handbook — Lane Controls

3. 3. Colorado's distracted-driving law generally allows a driver to use a mobile phone while driving only:

   Correct answer: with a hands-free accessory or during an emergency

   Handheld phone use is prohibited except with a hands-free device or to reach emergency services, and texting while driving is likewise barred except in an emergency.

   Source: Colorado Driver Handbook — Safe Driving Tips (Using a Cell Phone While Driving)

4. 4. A center lane marked for two-way left turns may be used for:

   Correct answer: making a left turn from either direction of travel

   The shared center turn lane is only for vehicles making a left turn from either direction, and you cannot use it to travel through or to pass.

   Source: Colorado Driver Handbook — Lane Controls (Two-way Left-turn Lane)

5. 5. When preparing to make a right turn, a driver should position the vehicle:

   Correct answer: as far to the right of the lane and as near the curb as is safe

   Right turns begin from the rightmost part of your lane, close to the curb, and you must start the turn from the right-hand lane.

   Source: Colorado Driver Handbook — Turning (Turning from the Proper Lane)

6. 6. Lanes that carry traffic one way at some times and the opposite way at others are often marked by:

   Correct answer: double-broken yellow lines or a movable barrier

   Reversible lanes are separated by a barrier or by double-broken yellow lines, and signs or special overhead lights indicate the current direction of travel.

   Source: Colorado Driver Handbook — Lane Controls (Reversible Lanes)

7. 7. While driving in Colorado, wearing which of the following is not allowed?

   Correct answer: Earphones or a headset that cover all or part of both ears

   You may not drive while wearing earphones that cover all or part of both ears; hearing aids, cochlear implants and single-ear wireless devices are excepted.

   Source: Colorado Driver Handbook — Before You Drive (Hearing)

8. 8. Passing another vehicle on the right is permitted in which situation?

   Correct answer: On a one-way street or a road with two or more lanes going the same way

   You normally pass on the left; passing on the right is allowed only on one-way streets and roadways that have two or more lanes in each direction.

   Source: Colorado Driver Handbook — Passing

9. 9. When following another vehicle at night, you must use low beams if you are within:

   Correct answer: 200 feet of the vehicle ahead

   Within 200 feet of the vehicle you are following, use low beams with the fog lights off so your glare does not bother the driver ahead.

   Source: Colorado Driver Handbook — Night Driving

10. 10. Under Colorado rules, a U-turn is:

    Correct answer: allowed only where it can be done safely and is not banned by a sign

    U-turns are forbidden where a No U-turn sign is posted or where the maneuver would endanger others; otherwise they may be made when safe.

    Source: Colorado Driver Handbook — Turning (U-turns)

11. 11. It is illegal to pass another vehicle when you are within 100 feet of:

    Correct answer: an intersection or a railroad crossing

    Passing is prohibited within 100 feet of an intersection or railroad crossing, as well as on obstructed hills, curves and bridges.

    Source: Colorado Driver Handbook — Passing (Do Not Pass)

12. 12. Colorado law requires your headlights to be on:

    Correct answer: from sunset to sunrise or whenever you can see less than 1,000 feet

    Headlights must be used from sunset to sunrise and any time visibility drops below 1,000 feet; parking lights alone are not enough.

    Source: Colorado Driver Handbook — Night Driving