SC DMV Traffic Laws and Road Rules 2 — Questions and Answers
Question 1: In South Carolina, you must use your headlights when visibility is less than how many feet?
- 500 feet (Correct answer)
- 300 feet
- 1,000 feet
- 200 feet
Correct answer: 500 feet
SC law requires headlights when you cannot see persons or vehicles for at least 500 feet ahead.
Question 2: How many car lengths should you maintain for every 10 mph of speed as a general following distance rule?
- One car length per 10 mph (Correct answer)
- Two car lengths per 10 mph
- Half a car length per 10 mph
- Three car lengths per 10 mph
Correct answer: One car length per 10 mph
The basic rule is one car length (about 20 feet) of following distance for every 10 mph you are traveling.
Question 3: In SC, when may you pass another vehicle on the right?
- When the vehicle ahead is making or about to make a left turn (Correct answer)
- Whenever the road is clear
- On any two-lane highway
- Only on divided highways
Correct answer: When the vehicle ahead is making or about to make a left turn
Passing on the right is permitted in SC only when the vehicle ahead is turning left and there is a clear lane to do so safely.
Question 4: What must a South Carolina driver do before changing lanes on a highway?
- Signal and check mirrors and blind spots (Correct answer)
- Only check mirrors
- Only signal for at least 100 feet
- Flash headlights to warn other drivers
Correct answer: Signal and check mirrors and blind spots
A safe lane change requires activating your turn signal and checking both mirrors and blind spots before moving.
Question 5: In South Carolina, a U-turn is prohibited in which of the following locations?
- On a curve or near a hill crest (Correct answer)
- On a straight two-lane road
- At a T-intersection
- In a parking lot
Correct answer: On a curve or near a hill crest
U-turns are illegal anywhere visibility is limited, including curves and hill crests where oncoming traffic cannot be seen.
Question 6: When approaching a school bus with its red lights flashing on a two-lane road in SC, what must you do?
- Stop in both directions (Correct answer)
- Only vehicles behind the bus must stop
- Slow to 15 mph and proceed
- Stop only if children are visible
Correct answer: Stop in both directions
On a two-lane road, all traffic in both directions must stop when a school bus displays flashing red lights and the stop arm is extended.
SC DMV Traffic Laws and Road Rules 2
In South Carolina, you must use your headlights when visibility is less than how many feet?