Colorado road signs practice test

Regulatory, warning and guide signs: shapes, colors and what each requires you to do. 113 questions.

Question 1 of 113
Road signs

What colors are regulatory signs in Colorado?

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Sample road signs questions

  1. What colors are regulatory signs in Colorado?

    • A Black or red on a white background
    • B Black on a yellow background
    • C White on a green background
    • D Black on an orange background
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    A. Black or red on a white background

    Regulatory signs tell you the laws that apply at a location, and they are black or red on a white background. Disobeying them is a traffic violation.

    Source: Colorado Driver Handbook (DR 2337), page 10

  2. What is shown on an advisory speed sign posted below a curve warning sign?

    • A The speed limit for the rest of the highway
    • B The legal minimum speed for the curve
    • C The speed at which police start issuing speeding tickets
    • D The safe speed for the curve in ideal conditions
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    D. The safe speed for the curve in ideal conditions

    Advisory speed signs are cautionary signs that show the safe speed around curves, corners and off-ramps in ideal conditions. In rain, snow or darkness you may need to go even slower.

    Source: Colorado Driver Handbook (DR 2337), page 11

  3. You see a reflective orange triangle on the back of a vehicle. What does it tell you?

    • A The vehicle is designed to travel slower than 45 mph
    • B The vehicle is carrying hazardous materials
    • C The vehicle is designed to travel slower than 25 mph
    • D The driver has a learner permit
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    C. The vehicle is designed to travel slower than 25 mph

    A reflective orange triangle is a slow-moving vehicle marker, meaning the vehicle is designed for speeds under 25 mph. Slow down early, because you will close the gap quickly.

    Source: Colorado Driver Handbook (DR 2337), page 12

  4. Road sign for this question

    What is the round, yellow railroad advance warning sign, and why is it placed where it is?

    • A It marks the exact spot where every vehicle must stop before the tracks
    • B It warns of a crossing ahead, far enough away to let you stop
    • C It shows the crossing has gates and lights
    • D It means a train is on the tracks now
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    B. It warns of a crossing ahead, far enough away to let you stop

    The advance warning sign tells you a railroad crossing is ahead and is placed far enough away to let you stop if needed. It is the only round traffic sign.

    Source: Colorado Driver Handbook (DR 2337), page 24