Road sign quiz: 20 free questions

Identify 20 signs, then read the meaning and official source. This is a sign study tool, not a state permit exam.

The drawings are from FHWA’s Standard Highway Signs. Meanings were checked against the MUTCD, 11th Edition with Revision 1 (December 2025). Independently reviewed .

Your answers stay in this page’s memory. Reloading clears your progress. Each drawing’s text description names the sign and describes its visible details. The name can identify the answer; use this as learning practice.

Study all 20 questions and answers

Read each question, answer and source below, or start one-question-at-a-time practice.

Question 1 of 20

Question 1 of 20. What does this sign mean?

Stop sign. Red octagon with white STOP lettering.
Check answer and source

Correct answer: A. Come to a complete stop.

Stop. Come to a complete stop.

Source: MUTCD — MUTCD 11th Edition with Revision 1 (December 2025), Section 2B.04, paragraph 01, PDF page 115. Checked .

Question 2 of 20

Question 2 of 20. What does this sign mean?

Yield sign. Downward-pointing triangle with a red border, white center, and red YIELD lettering.
Check answer and source

Correct answer: B. Give crossing or approaching traffic priority; slow down and stop if needed.

Yield. Give crossing or approaching traffic priority; slow down and stop if needed.

Source: MUTCD — MUTCD 11th Edition with Revision 1 (December 2025), Section 2B.05, paragraph 01, PDF page 115. Checked .

Question 3 of 20

Question 3 of 20. What does this sign mean?

Speed Limit sign. White rectangle with black SPEED LIMIT lettering and the number 50.
Check answer and source

Correct answer: C. The number gives the posted speed limit.

Speed Limit. The number gives the posted speed limit.

Source: MUTCD — MUTCD 11th Edition with Revision 1 (December 2025), Section 2B.21, paragraph 13, PDF page 126. Checked .

Question 4 of 20

Question 4 of 20. What does this sign mean?

No Right Turn sign. White square showing a right-turn arrow crossed by a red circle and slash.
Check answer and source

Correct answer: A. A right turn is prohibited here.

No Right Turn. A right turn is prohibited here.

Source: MUTCD — MUTCD 11th Edition with Revision 1 (December 2025), Section 2B.26, paragraph 04, PDF page 130. Checked .

Question 5 of 20

Question 5 of 20. What does this sign mean?

No Left Turn sign. White square showing a left-turn arrow crossed by a red circle and slash.
Check answer and source

Correct answer: B. A left turn is prohibited here.

No Left Turn. A left turn is prohibited here.

Source: MUTCD — MUTCD 11th Edition with Revision 1 (December 2025), Section 2B.26, paragraph 05, PDF page 130. Checked .

Question 6 of 20

Question 6 of 20. What does this sign mean?

No U-Turn sign. White square showing an arrow bending back in a U shape, crossed by a red circle and slash.
Check answer and source

Correct answer: C. Do not reverse direction by making a U-turn here.

No U-Turn. Do not reverse direction by making a U-turn here.

Source: MUTCD — MUTCD 11th Edition with Revision 1 (December 2025), Section 2B.26, paragraph 07, PDF page 130. Checked .

Question 7 of 20

Question 7 of 20. What does this sign mean?

Do Not Pass sign. White rectangle with black DO NOT PASS lettering.
Check answer and source

Correct answer: A. Passing is prohibited in this section.

Do Not Pass. Passing is prohibited in this section.

Source: MUTCD — MUTCD 11th Edition with Revision 1 (December 2025), Section 2B.36, paragraph 01, PDF page 143. Checked .

Question 8 of 20

Question 8 of 20. What does this sign mean?

Keep Right sign. White rectangle showing a black arrow bending around the right side of a vertical shape.
Check answer and source

Correct answer: B. Travel to the right of the obstruction or divider.

Keep Right. Travel to the right of the obstruction or divider.

Source: MUTCD — MUTCD 11th Edition with Revision 1 (December 2025), Section 2B.39, paragraph 01, PDF page 143. Checked .

Question 9 of 20

Question 9 of 20. What does this sign mean?

Do Not Enter sign. White square with a red circle, a white horizontal bar, and DO NOT ENTER lettering.
Check answer and source

Correct answer: C. Do not drive into this roadway from this approach.

Do Not Enter. Do not drive into this roadway from this approach.

Source: MUTCD — MUTCD 11th Edition with Revision 1 (December 2025), Section 2B.46, paragraph 06, PDF page 150. Checked .

Question 10 of 20

Question 10 of 20. What does this sign mean?

One Way sign. Horizontal black rectangle with a white right-pointing arrow and ONE WAY lettering.
Check answer and source

Correct answer: A. Vehicles may travel only in the arrow's direction.

One Way. Vehicles may travel only in the arrow's direction.

Source: MUTCD — MUTCD 11th Edition with Revision 1 (December 2025), Section 2B.49, paragraph 01, PDF page 155. Checked .

Question 11 of 20

Question 11 of 20. What does this sign mean?

Curve sign. Yellow diamond with a black arrow curving to the right.
Check answer and source

Correct answer: B. The road curves ahead in the direction shown.

Curve. The road curves ahead in the direction shown.

Source: MUTCD — MUTCD 11th Edition with Revision 1 (December 2025), Section 2C.07, paragraph 01, PDF page 196. Checked .

Question 12 of 20

Question 12 of 20. What does this sign mean?

Crossroad sign. Yellow diamond with a black cross formed by a vertical line and a horizontal line.
Check answer and source

Correct answer: C. Another road crosses this road ahead.

Crossroad. Another road crosses this road ahead.

Source: MUTCD — MUTCD 11th Edition with Revision 1 (December 2025), Section 2C.41, paragraph 01, PDF page 220. Checked .

Question 13 of 20

Question 13 of 20. What does this sign mean?

Signal Ahead sign. Yellow diamond with a vertical traffic signal symbol showing red, yellow, and green circles.
Check answer and source

Correct answer: A. Traffic lights control the road ahead.

Signal Ahead. Traffic lights control the road ahead.

Source: MUTCD — MUTCD 11th Edition with Revision 1 (December 2025), Section 2C.35, paragraph 01, PDF page 218. Checked .

Question 14 of 20

Question 14 of 20. What does this sign mean?

Lane Ends sign. Yellow diamond with two black lines and a dashed divider; the right line bends toward the left line.
Check answer and source

Correct answer: B. The lane shown ends, reducing the number of travel lanes.

Lane Ends. The lane shown ends, reducing the number of travel lanes.

Source: MUTCD — MUTCD 11th Edition with Revision 1 (December 2025), Section 2C.47, paragraph 01, PDF page 224. Checked .

Question 15 of 20

Question 15 of 20. What does this sign mean?

Divided Highway sign. Yellow diamond showing two opposite-direction arrows separated by a rounded central divider at the top.
Check answer and source

Correct answer: C. A median or barrier will separate opposing traffic ahead.

Divided Highway. A median or barrier will separate opposing traffic ahead.

Source: MUTCD — MUTCD 11th Edition with Revision 1 (December 2025), Section 2C.20, paragraph 01, PDF page 211. Checked .

Question 16 of 20

Question 16 of 20. What does this sign mean?

Slippery When Wet sign. Yellow diamond showing a car above two winding tire tracks.
Check answer and source

Correct answer: A. The surface may become unexpectedly slippery when wet.

Slippery When Wet. The surface may become unexpectedly slippery when wet.

Source: MUTCD — MUTCD 11th Edition with Revision 1 (December 2025), Section 2C.30, paragraph 01, PDF page 216. Checked .

Question 17 of 20

Question 17 of 20. What does this sign mean?

Railroad Crossing Ahead sign. Yellow circle with a black X and an R on each side.
Check answer and source

Correct answer: B. A railway crossing is ahead.

Railroad Crossing Ahead. A railway crossing is ahead.

Source: MUTCD — MUTCD 11th Edition with Revision 1 (December 2025), Section 8B.06, paragraph 01, PDF page 1042. Checked .

Question 18 of 20

Question 18 of 20. What does this sign mean?

Deer sign. Yellow diamond with a black silhouette of a leaping deer.
Check answer and source

Correct answer: C. Deer may enter or cross the road ahead.

Deer. Deer may enter or cross the road ahead.

Source: MUTCD — MUTCD 11th Edition with Revision 1 (December 2025), Section 2C.55, paragraph 01, PDF page 233. Checked .

Question 19 of 20

Question 19 of 20. What does this sign mean?

Flagger sign. Orange diamond with a black person holding both arms outward and a rectangular flag hanging at one side.
Check answer and source

Correct answer: A. A flagger controls traffic ahead.

Flagger. A flagger controls traffic ahead.

Source: MUTCD — MUTCD 11th Edition with Revision 1 (December 2025), Section 6H.15, paragraph 01, PDF page 847. Checked .

Question 20 of 20

Question 20 of 20. What does this sign mean?

School sign. Fluorescent yellow-green pentagon with black silhouettes of two people walking.
Check answer and source

Correct answer: B. A school area, school zone, or children's crossing is nearby; plaques clarify the location.

School. A school area, school zone, or children's crossing is nearby; plaques clarify the location.

Source: MUTCD — MUTCD 11th Edition with Revision 1 (December 2025), Section 7B.02, paragraph 02, PDF page 1013. Checked .

Keep the source with the answer

Every answer in this tool links to the MUTCD section used to check its meaning.

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Page independently reviewed .