South Carolina: Road signs — Part 1 Practice Test
Questions in this part include: “Which of these is a traffic control device?” · “What do traffic signs tell you about?”
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Questions are original and based on the official manual "South Carolina Driver's Manual" (2026 (posted April 2026)), South Carolina Department of Motor Vehicles.
All 22 questions in this practice test
Take the test above first, then use this list to study. Tap “Show answer” to see the correct answer and explanation.
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Which of these is a traffic control device?
- A billboard beside the highway or road
- The brake lights of the vehicle ahead of you
- Directions provided by a school crossing guard
- A horn sounded by another driver
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Correct answer: Directions provided by a school crossing guard
Traffic control devices include signals, signs, markings and directions from law enforcement, highway personnel and school crossing guards.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 6-2 · Open this page in the manual (Manual page 6-2)
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What do traffic signs tell you about?
- Only the speed limit and the direction of the next town
- Only the fines for breaking traffic laws
- Traffic rules, hazards, roadway location, directions and services
- Only the names of nearby businesses
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Correct answer: Traffic rules, hazards, roadway location, directions and services
Signs cover traffic rules, hazards, location, directions and services.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 6-4 · Open this page in the manual (Manual page 6-4)
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What do warning signs tell a driver?
- Which lane to use
- What the maximum legal speed is
- Where roadway services are located
- That there may be danger ahead
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Correct answer: That there may be danger ahead
Warning signs alert the driver to a possible danger or special situation ahead.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 6-4 · Open this page in the manual (Manual page 6-4)
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What does a yellow diamond sign with a black plus-sign symbol warn of?
- T-Intersection Ahead
- Y-Intersection Ahead
- Cross Road Ahead
- Side Road Ahead
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Correct answer: Cross Road Ahead
The manual labels the plus-shaped symbol on a yellow diamond sign as Cross Road Ahead.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 6-4 · Open this page in the manual (Manual page 6-4)
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What does a yellow diamond sign with a black symbol of a vertical line and a short branch to the right warn of?
- Side Road Ahead
- Cross Road Ahead
- T-Intersection Ahead
- Y-Intersection Ahead
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Correct answer: Side Road Ahead
The manual labels this symbol, a vertical road with one branch to the right, as Side Road Ahead.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 6-4 · Open this page in the manual (Manual page 6-4)
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What does a yellow diamond sign whose black symbol shows a road ending at a crossing road warn of?
- T-Intersection Ahead
- Cross Road Ahead
- Side Road Ahead
- Y-Intersection Ahead
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Correct answer: T-Intersection Ahead
The manual labels this warning sign, a road ending at a crossing road, as T-Intersection Ahead.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 6-4 · Open this page in the manual (Manual page 6-4)
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What does a yellow diamond sign whose black symbol shows a road splitting into two roads warn of?
- Cross Road Ahead
- Side Road Ahead
- Y-Intersection Ahead
- T-Intersection Ahead
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Correct answer: Y-Intersection Ahead
The manual labels this warning sign, a road splitting into two roads, as Y-Intersection Ahead.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 6-4 · Open this page in the manual (Manual page 6-4)
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A yellow diamond sign shows a straight arrow pointing up with a second line joining it from the lower right. What does it warn you of?
- Merging Traffic
- Lane Ends
- Added Lane
- Divided Highway Ends
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Correct answer: Merging Traffic
A yellow diamond showing a straight arrow with another line joining it is the warning for merging traffic.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 6-5 · Open this page in the manual (Manual page 6-5)
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A yellow diamond sign shows two lane lines side by side, with one of them curving in toward the other. What does it warn you of?
- Merging Traffic
- Slippery When Wet
- Lane Ends
- Divided Highway Ends
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Correct answer: Lane Ends
Two lane lines that curve together on a yellow diamond warn that a lane ends ahead.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 6-5 · Open this page in the manual (Manual page 6-5)
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A yellow diamond sign shows a vertical traffic light with red, yellow, and green lights. What does it warn you of?
- Stop Sign Ahead
- Traffic Signal Ahead
- School Crossing
- Cross Road Ahead
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Correct answer: Traffic Signal Ahead
A yellow diamond with a traffic light symbol warns that a traffic signal is ahead.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 6-5 · Open this page in the manual (Manual page 6-5)
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A yellow diamond sign shows a red octagon with a black arrow pointing up above it. What does it warn you of?
- Traffic Signal Ahead
- Cross Road Ahead
- Merging Traffic
- Stop Sign Ahead
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Correct answer: Stop Sign Ahead
A yellow diamond with a red octagon warns that a stop sign is coming up ahead.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 6-5 · Open this page in the manual (Manual page 6-5)
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A yellow rectangular sign shows one large black arrowhead (chevron) pointing right. What does it warn you of?
- Lane Ends
- Added Lane
- Cross Road Ahead
- Sharp Curve Ahead
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Correct answer: Sharp Curve Ahead
A single large black chevron on a yellow sign is the warning for a sharp curve ahead.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 6-5 · Open this page in the manual (Manual page 6-5)
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A yellow diamond sign shows an arrow curving to the right, with a small yellow plate reading 35 M.P.H. below it. What does the sign tell you?
- The maximum legal speed for the whole road ahead
- A suggested speed for going around the curve
- The minimum speed you must drive on the road
- The speed limit in a school zone
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Correct answer: A suggested speed for going around the curve
A curve-arrow warning sign with a small speed plate gives the advisory speed for going around the curve.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 6-5 · Open this page in the manual (Manual page 6-5)
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A yellow five-sided sign, pointed at the top like a house, shows two walking figures above a line. What does it warn you of?
- Pedestrian Crossing
- Bicycle Crossing
- School Crossing
- Workers Ahead
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Correct answer: School Crossing
A five-sided yellow sign with two walking figures marks a school crossing.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 6-5 · Open this page in the manual (Manual page 6-5)
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A yellow diamond sign shows a single walking person above a horizontal line. What does it warn you of?
- Pedestrian Crossing
- School Crossing
- Bicycle Crossing
- Slippery When Wet
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Correct answer: Pedestrian Crossing
A yellow diamond with one walking person warns of a pedestrian crossing.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 6-5 · Open this page in the manual (Manual page 6-5)
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A yellow diamond sign shows only a bicycle symbol, with no words and no other vehicle. What does it warn you of?
- Pedestrian Crossing
- School Crossing
- Bicycle Crossing
- Share the Road with Bicycles
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Correct answer: Bicycle Crossing
A yellow diamond showing just a bicycle warns of a bicycle crossing.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 6-5 · Open this page in the manual (Manual page 6-5)
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A yellow diamond sign shows a car with two wavy skid lines below it. What does it warn you of?
- Slippery When Wet
- Sharp Curve Ahead
- Merging Traffic
- Lane Ends
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Correct answer: Slippery When Wet
A car with wavy skid lines on a yellow diamond warns that the road is slippery when wet.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 6-5 · Open this page in the manual (Manual page 6-5)
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What do regulatory signs tell you about?
- Specific laws that you must obey
- Possible danger that might be ahead
- Points of interest along the highway
- Where people are working on the roadway
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Correct answer: Specific laws that you must obey
Regulatory signs give specific laws you must obey, such as rules for direction, lane use, turning, speed, and parking.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 6-9 · Open this page in the manual (Manual page 6-9)
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What does a red circle with a red slash over a symbol on a regulatory sign mean?
- It warns of a hazard ahead
- It allows only the action shown
- It prohibits certain actions
- It marks a point of interest
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Correct answer: It prohibits certain actions
A red circle with a slash over a symbol on a regulatory sign prohibits the action shown.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 6-9 · Open this page in the manual (Manual page 6-9)
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A white square sign shows a black U-shaped arrow inside a red circle with a red slash. What does it tell you?
- No Left Turn
- No U-Turn
- No Right Turn
- Left Turn Only
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Correct answer: No U-Turn
A red circle and slash over a U-shaped arrow prohibits U-turns.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 6-9 · Open this page in the manual (Manual page 6-9)
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A white rectangular sign shows a black arrow pointing up with a second arrow branching off to the right. What does it tell you?
- Straight or Turn Left
- Left Turn Only
- Right Turn Only
- Straight or Turn Right
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Correct answer: Straight or Turn Right
An arrow pointing up with a branch to the right shows that drivers in that lane may go straight or turn right.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 6-9 · Open this page in the manual (Manual page 6-9)
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A white square sign shows a single black arrow that bends to the left, with no red circle or slash. What does it tell you?
- No Left Turn
- Straight
- Straight or Turn Right
- Left Turn Only
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Correct answer: Left Turn Only
A single arrow bending left on a white regulatory sign means left turn only.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 6-9 · Open this page in the manual (Manual page 6-9)