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. A yellow warning sign that displays a speed number is telling you:

   Correct answer: The recommended safe speed for the condition ahead

   A speed shown on a yellow warning sign is an advisory (recommended) safe speed for a condition such as a curve, not a posted legal limit.

   Source: Utah Driver Handbook — Section 9: Rules of the Road (Warning Signs)

2. 2. On a regulatory sign, a red circle with a slash drawn across a symbol tells you:

   Correct answer: The action shown is not allowed

   The red circle-and-slash design means an action is prohibited — you cannot do the thing shown in the symbol.

   Source: Utah Driver Handbook — Section 9: Rules of the Road (Regulatory Signs)

3. 3. What does a diamond-shaped yellow sign with black symbols usually tell a Utah driver?

   Correct answer: There is a possible hazard or change in the road ahead

   Yellow diamond signs are warning signs; they alert you to a possible danger or changing condition on the road ahead.

   Source: Utah Driver Handbook — Section 9: Rules of the Road (Warning Signs)

4. 4. The white, X-shaped 'Railroad Crossing' sign at the tracks means you must:

   Correct answer: Be ready to yield and stop for an approaching train

   The crossbuck marks the crossing itself; a train may be coming, so you must stop behind the stop line or before the intersection when one approaches.

   Source: Utah Driver Handbook — Section 9: Rules of the Road (Railroad Crossing Signs)

5. 5. When you come to a yield sign, you are required to:

   Correct answer: Slow down and let traffic with the right-of-way go first

   A yield sign means slow down and give the right-of-way to traffic that already has it, stopping if needed to let them pass.

   Source: Utah Driver Handbook — Section 9: Rules of the Road (Warning Signs)

6. 6. A sign showing traffic moving only in the direction of an arrow means you:

   Correct answer: Should travel only the way the arrow points and never against it

   A one-way sign shows that traffic flows only the way the arrow points; you must never travel the wrong way against it.

   Source: Utah Driver Handbook — Section 9: Rules of the Road (Warning Signs)

7. 7. A slow-moving vehicle marked with a reflective orange-and-red triangle on its rear is traveling at:

   Correct answer: Less than 25 miles per hour

   The orange-and-red triangle emblem identifies a vehicle moving at less than 25 mph, so approach and pass with caution.

   Source: Utah Driver Handbook — Section 14: Sharing the Road (Slow Moving Vehicles)

8. 8. A square or rectangular sign that is green, brown, or blue is used mainly to:

   Correct answer: Give directions to places and highlight nearby services

   Guide signs come in green, brown, or blue and point you toward towns, intersecting routes, points of interest, and services such as hospitals and fuel.

   Source: Utah Driver Handbook — Section 9: Rules of the Road (Guide Signs)

9. 9. In a highway work area, signs and traffic control devices are typically what color?

   Correct answer: Orange with black letters or symbols

   Work zone signs use an orange background with black letters or symbols to warn you of construction and people working near the road.

   Source: Utah Driver Handbook — Section 9: Rules of the Road (Work Zone Signs)

10. 10. The shape and color of a route number sign tell you:

    Correct answer: The kind of roadway — interstate, U.S., state, or local

    Route markers use distinct shapes and colors to show whether a road is an interstate, U.S., state, or local route, helping you follow your planned route.

    Source: Utah Driver Handbook — Section 9: Rules of the Road (Route Number Signs)

11. 11. If a flagger is directing traffic in a work zone, a driver must:

    Correct answer: Follow whatever the flagger signals

    A flagger controls traffic through the work area, and you are legally required to follow the directions the flagger gives.

    Source: Utah Driver Handbook — Section 9: Rules of the Road (Work Zone Signs)

12. 12. A round yellow sign showing an X with the letters RR is warning you that:

    Correct answer: A railroad crossing lies ahead — prepare to slow and stop

    This round yellow advance-warning sign tells you a railroad crossing is coming, so you should slow, look, listen for a train, and be ready to stop.

    Source: Utah Driver Handbook — Section 9: Rules of the Road (Railroad Crossing Signs)