Traffic Signals Practice Questions
5 free sample permit questions about traffic signals, with the correct answer, a full explanation, and a source reference for each. Want to test yourself instead of just reading the answers? Find your state's free practice test.
1. What does a flashing red traffic signal mean?
A flashing red signal is treated exactly like a stop sign: come to a complete stop, then proceed when clear.
Source: National: FHWA MUTCD
2. What does a flashing yellow left-turn arrow generally permit?
A flashing yellow arrow allows a left turn, but only after yielding to oncoming vehicles and pedestrians, unlike a solid green arrow.
Source: National: FHWA MUTCD
3. What does a solid red arrow mean for the direction it points?
A solid red arrow prohibits the movement it points to entirely, unlike a flashing red arrow which allows a stop-then-proceed turn in some jurisdictions.
Source: National: FHWA MUTCD
4. If a traffic signal is completely dark (not working) at an intersection, how should drivers generally treat it?
A dead traffic signal provides no right-of-way information, so drivers should treat the intersection as if stop signs controlled every approach.
Source: National: Uniform Vehicle Code (model traffic law)
5. What does a green arrow signal indicate?
A green arrow grants a protected movement, meaning opposing traffic is held by a red light while the arrow is active.
Source: National: FHWA MUTCD