Colorado road signs practice test
Road signs are part of the Colorado DMV knowledge test. Practise the 26 sign questions we wrote from the Colorado handbook, then drill every common sign.
Colorado handbook sign questions
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Question 1What colors are Colorado regulatory signs?
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A: Black or red on a white background. Regulatory signs tell you of laws and regulations; they are black or red on a white background. Colorado Driver Handbook (DR 2337): Traffic Signs: Regulatory signs, page 10.
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Question 2Speed limit signs show the maximum speed allowed under which conditions?
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A: Ideal conditions. Maximum limits are for ideal conditions; you must reduce speed when conditions require it. Colorado Driver Handbook (DR 2337): Traffic Signs: Speed limit signs, page 10.
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Question 3At a STOP sign with no stop line and no crosswalk, where do you stop?
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A: At the point nearest the intersecting road where you can see approaching traffic. Stop at a marked stop line; if none, before the near-side crosswalk; if none, at the point nearest the intersecting roadway where you have a view of approaching traffic. Colorado Driver Handbook (DR 2337): Traffic Signs: Stop signs, page 10.
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Question 4What does a YIELD sign require in Colorado?
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A: Slow or stop to yield to all pedestrians and any vehicle with the right-of-way. At a YIELD sign, slow down and stop if needed so pedestrians and vehicles with the right-of-way can go first. Colorado Driver Handbook (DR 2337): Traffic Signs: Yield signs, page 10.
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Question 5What should you do if you see a DO NOT ENTER or WRONG WAY sign?
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A: Do not proceed past it. These signs mean you are about to go against traffic on a street or ramp, so don't go past them. Colorado Driver Handbook (DR 2337): Traffic Signs: Do Not Enter/Wrong Way signs, page 11.
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Question 6What do lane control signs do?
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A: Show where you can turn, often with arrows, beside or over the road. Lane control signs give direction about where you can turn and often use arrows; they may be at the roadside or overhead. Colorado Driver Handbook (DR 2337): Traffic Signs: Lane control signs, page 11.
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Question 7What colors are Colorado warning signs?
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A: Yellow or fluorescent green with black symbols. Warning signs are yellow or fluorescent green with black symbols. Colorado Driver Handbook (DR 2337): Traffic Signs: Warning signs, page 11.
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Question 8A merging traffic warning sign tells you:
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A: Vehicles may be entering from a side road. The merge sign warns that traffic from a side road or ramp may be joining your road ahead. Colorado Driver Handbook (DR 2337): Traffic Signs: Warning signs, page 11.
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Question 9Advisory speed signs show the safe speed:
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A: Around curves, corners and off-ramps in ideal conditions. An advisory speed plaque gives the recommended top speed for a curve, corner or off-ramp in good conditions. Colorado Driver Handbook (DR 2337): Traffic Signs: Advisory speed signs, page 11.
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Question 10Why should you not shift gears while crossing railroad tracks?
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A: Your vehicle could stall on the tracks. Do not shift gears when crossing the tracks in case your vehicle stalls. Colorado Driver Handbook (DR 2337): Traffic Signs: Railroad crossings, page 11.
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Question 11What is the purpose of the blue Emergency Notification System (ENS) sign at a railroad crossing?
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A: To give a phone number for reporting problems or emergencies at the crossing. Blue ENS signs at every highway-rail crossing give a phone number to report problems, with a DOT number that identifies the exact crossing. Colorado Driver Handbook (DR 2337): Traffic Signs: Railroad emergency notification system (ENS) Signs, page 11.
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Question 12What color background do Colorado work zone signs have?
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A: Orange. Work zone signs have an orange background with black letters or symbols. Colorado Driver Handbook (DR 2337): Traffic Signs: Work zone signs, page 11.
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Question 13What do green signs provide?
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A: Directional and mileage information to destinations. Guide signs have a green background and give directional and mileage information. Colorado Driver Handbook (DR 2337): Traffic Signs: Guide signs, page 11.
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Question 14A sign with a brown background indicates:
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A: Recreational, historic or cultural areas. Blue backgrounds direct you to services; brown backgrounds indicate recreational, historic or cultural areas. Colorado Driver Handbook (DR 2337): Traffic Signs: Service/recreation signs, page 11.
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Question 15How can you tell the type of highway from a route sign?
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A: By the shape of the sign. Interstate, U.S., state and county routes each use a differently shaped marker, so the shape tells you the road type. Colorado Driver Handbook (DR 2337): Traffic Signs: Route signs and markers, page 12.
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Question 16A white sign reads PASS 3 FT MIN with a bicycle symbol. What does it mean?
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A: When passing bicyclists you must allow at least 3 feet of clearance (required even where no sign is posted). Motorists passing bicyclists must allow at least 3 feet of clearance on all roadways, even if a sign is not posted. Colorado Driver Handbook (DR 2337): Traffic Signs: Pass 3 ft min signs, page 12.
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Question 17What does a BICYCLES MAY USE FULL LANE sign mean?
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A: Bicyclists may ride in the center of the lane if their safety requires it. This sign reminds drivers that a bicyclist may ride in the middle of the lane when riding at the right edge would be unsafe because of hazards or poor visibility. Colorado Driver Handbook (DR 2337): Traffic Signs: Bicycle may use full lane signs, page 12.
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Question 18A reflective orange triangle on the back of a vehicle means it is designed to travel slower than:
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A: 25 mph. The slow moving vehicle marker means the vehicle is designed to travel at speeds slower than 25 mph. Colorado Driver Handbook (DR 2337): Traffic Signs: Slow moving vehicle marker, page 12.
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Question 19What are the crosshatched sections next to disabled parking spaces for?
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A: Van access only; parking there is never allowed. The striped (crosshatched) area beside an accessible space is kept clear for van ramps and lifts. You may never park there. Colorado Driver Handbook (DR 2337): Traffic Signs: Disabled parking signs, page 12.
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Question 20What fine range can apply for parking illegally in a disabled space without a placard or plate in Colorado?
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A: $350-$5,000. Parking illegally in a designated disabled spot can be a misdemeanor with a $350-$5,000 fine, possible jail, loss of driving privileges and impoundment. Colorado Driver Handbook (DR 2337): Traffic Signs: Disabled parking signs, page 12.
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Question 21What happens if you park in a disabled space using someone else's placard?
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A: Jail time, loss of privileges, towing and fines double the normal amounts. Using someone else's placard or plate brings jail time, loss of driving privileges, towing, and fines double those for illegal parking. Colorado Driver Handbook (DR 2337): Traffic Signs: Disabled parking signs, page 12.
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Question 22To park in a disabled parking space, who must be entering or exiting the vehicle?
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A: The person who owns the disabled placard. In order to park in a disabled space, the person who owns the placard must be entering or exiting the vehicle. Colorado Driver Handbook (DR 2337): Traffic Signs: Disabled parking signs, page 12.
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Question 23What is the only round traffic sign?
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A: The railroad advance warning sign. The railroad advance warning sign is the only round traffic sign. Colorado Driver Handbook (DR 2337): Railroad Crossing: Advance warning signs, page 24.
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Question 24How should you treat a railroad crossbuck sign?
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A: The same as a yield sign. Crossbuck signs should be treated the same as a yield sign; a sign below shows the number of tracks if more than one. Colorado Driver Handbook (DR 2337): Railroad Crossing: Crossbuck signs, page 24.
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Question 25What does a NO TRAIN HORN sign below the advance warning sign mean?
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A: The crossing is in a quiet zone; trains will not sound their horns there. In designated quiet zones, train horns do not blow; flashing lights and gates warn of trains. Colorado Driver Handbook (DR 2337): Railroad Crossing: Quiet Zone signs, page 24.
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Question 26When are U-turns forbidden in Colorado?
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A: Where they can't be made without endangering others, or where No U-turn signs are posted. A U-turn is illegal wherever a No U-turn sign is posted, and anywhere it can't be made without putting other road users at risk. Colorado Driver Handbook (DR 2337): Turning: U-turns, page 16.
Answer every question to see your score.
Road signs drill
20 random signs from our library of US road signs. Signs are the same in every state under the federal sign manual.
Name the sign
Every road sign explained: shape, color, meaning and what to do.