Road Signs

Study questions with answers

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

1. 1. The blue Emergency Notification System sign posted at a rail crossing gives drivers:

   Correct answer: a phone number and crossing ID to report a problem at that location

   ENS signs are blue and list a 24-hour phone number plus a crossing identification number so hazards or a stalled vehicle can be reported to the railroad quickly.

   Source: Colorado Driver Handbook — Railroad Crossing (Emergency Notification System)

2. 2. A downward-pointing three-sided sign requires a driver to:

   Correct answer: slow down and give way to pedestrians and vehicles that have the right-of-way, stopping if necessary

   A yield sign means slow or stop as needed and let cross traffic and pedestrians who have the right-of-way go first.

   Source: Colorado Driver Handbook — Traffic Signs (Yield Signs)

3. 3. If a roadside sign has a brown background, it is directing you toward:

   Correct answer: a historic, cultural, or recreational site

   Brown signs point to recreation, historic or cultural areas, while blue signs mark motorist services such as gas, food and lodging.

   Source: Colorado Driver Handbook — Traffic Signs (Service/Recreation Signs)

4. 4. A white sign reading 'Pass 3 Ft Min' near a bike route reminds motorists that they must:

   Correct answer: leave at least three feet of space when overtaking a bicyclist

   When passing a bicyclist, drivers must allow a minimum of three feet of clearance, and this rule applies on every roadway even where no sign is posted.

   Source: Colorado Driver Handbook — Traffic Signs (Pass 3 Ft Min Signs)

5. 5. A reflective orange triangle mounted on the back of a vehicle indicates that the vehicle:

   Correct answer: is built to travel at less than 25 miles per hour

   The orange triangle warns other drivers that the vehicle ahead is designed to move slower than 25 mph, such as farm equipment, so approach with care.

   Source: Colorado Driver Handbook — Traffic Signs (Slow Moving Vehicle Marker)

6. 6. The X-shaped crossbuck sign found at a railroad crossing should be obeyed the same as:

   Correct answer: a yield sign

   A crossbuck functions like a yield sign, so slow down and give way to any train, which always has the right-of-way.

   Source: Colorado Driver Handbook — Railroad Crossing (Crossbuck Signs)

7. 7. A diamond-shaped sign that is yellow or fluorescent green with black symbols is meant to:

   Correct answer: alert you to a possible hazard or change in road conditions ahead

   Warning signs carry a yellow or fluorescent-green background with black symbols and tell you to prepare for something ahead such as a curve, school zone, or merging traffic.

   Source: Colorado Driver Handbook — Traffic Signs (Warning Signs)

8. 8. A sign with black or red lettering on a white background is used to communicate what to drivers?

   Correct answer: A traffic law or regulation that must be obeyed at that spot

   Regulatory signs use a white background with black or red markings to post rules of the road, and ignoring one is a traffic violation.

   Source: Colorado Driver Handbook — Traffic Signs (Regulatory Signs)

9. 9. Coming upon a Do Not Enter or Wrong Way sign tells a driver that they:

   Correct answer: are heading against traffic and must not go past the sign

   These signs redirect drivers who are traveling the wrong way on a street or ramp, and you must not continue beyond them.

   Source: Colorado Driver Handbook — Traffic Signs (Do Not Enter/Wrong Way Signs)

10. 10. A posted maximum speed limit sign shows the fastest speed that is legal:

    Correct answer: only when driving conditions are ideal

    Maximum speed limits assume ideal conditions, and you are required to slow down when weather, traffic, or road conditions call for it.

    Source: Colorado Driver Handbook — Traffic Signs (Speed Limit Signs)

11. 11. Colorado's driver handbook notes that the only round traffic sign is used to warn of:

    Correct answer: an upcoming railroad crossing

    The round advance-warning sign is placed far enough ahead of a railroad crossing to let you stop if a train is coming, and it is the handbook's only circular sign.

    Source: Colorado Driver Handbook — Railroad Crossing (Advance Warning Signs)

12. 12. At a red eight-sided sign with no marked stop line or crosswalk, where must you stop?

    Correct answer: At the closest point to the crossing road where you can see approaching traffic

    A stop sign requires a full stop at the marked line; if there is none, stop before the crosswalk, and if there is no crosswalk, stop where you can first see cross traffic.

    Source: Colorado Driver Handbook — Traffic Signs (Stop Signs)