SC DMV Road Signs and Signals 1 — Questions and Answers
Question 1: What shape is used exclusively for stop signs in South Carolina and the US?
- Octagon (Correct answer)
- Triangle
- Circle
- Diamond
Correct answer: Octagon
Stop signs are always octagonal (8-sided) so drivers can recognize them even when obscured by snow or from behind.
Question 2: What does a yellow diamond-shaped sign generally indicate?
- Warning of a hazard or change in road conditions (Correct answer)
- Regulatory requirement
- Information or guide
- Construction zone only
Correct answer: Warning of a hazard or change in road conditions
Yellow diamond signs are warning signs alerting drivers to potential hazards, curves, intersections, or other road changes ahead.
Question 3: What color are regulatory signs (such as speed limit signs) in South Carolina?
- White with black letters (Correct answer)
- Yellow with black letters
- Green with white letters
- Blue with white letters
Correct answer: White with black letters
Regulatory signs that tell you what you must or must not do are white with black text, such as speed limit and do-not-enter signs.
Question 4: A pennant-shaped sign on the left side of the road indicates what?
- No passing zone (Correct answer)
- School zone ahead
- Railroad crossing ahead
- Curve ahead
Correct answer: No passing zone
The yellow pennant (triangular) sign marks the beginning of a no-passing zone and is placed on the left side of the road.
Question 5: What does a white rectangular sign with orange text and symbols indicate in South Carolina?
- Construction or work zone (Correct answer)
- School zone
- Historic site
- Service area
Correct answer: Construction or work zone
Orange signs with black or white text signal construction or work zones where workers may be present and speed limits are reduced.
Question 6: What does a circular railroad crossing sign with an 'X' mean?
- Railroad tracks cross the road ahead (Correct answer)
- Road is closed
- Detour ahead
- No left turn
Correct answer: Railroad tracks cross the road ahead
The round yellow sign with an X and 'RR' warns that railroad tracks cross the roadway ahead and you should look and listen for trains.
SC DMV Road Signs and Signals 1
What shape is used exclusively for stop signs in South Carolina and the US?