No Left Turn or U-Turn Sign
Both left turns and U-turns are prohibited

What to do
Continue straight or turn right only.
Tips
Common at medians and divided highways.
Test yourself
You see this sign while driving. What do you have to do?
Show the answer
Continue straight or turn right only.
Common mistake
Attempting either maneuver
About regulatory signs
Regulatory signs are usually white rectangles with black or red markings, and they carry the force of law — speed limits, turn restrictions, right-of-way. Ignoring one is a traffic violation. The written test regularly checks whether you know exactly what a regulatory sign requires you to do.
Practice questions about this sign

At this sign, you are prohibited from:
- A. Driving straight through the intersection
- B. Turning right only
- C. Turning left or making a U-turn
- D. Parking within 20 feet of the intersection
Show answer
C. Turning left or making a U-turn — The combined arrow with a red slash bans both a left turn and a U-turn at this location. You may continue straight or turn right if otherwise permitted.
Universal rule · checked against MUTCD 11th Edition, Part 2 — Signs (General) — Traffic Signs — General · verified 2026-08-01
Frequently asked questions
What does the No Left Turn or U-Turn Sign mean?
Both left turns and U-turns are prohibited
What should you do at a No Left Turn or U-Turn Sign?
Continue straight or turn right only.
Reference standard: Federal Highway Administration Manual on Uniform Traffic Control Devices ↗. State and local agencies may add rules or operating times, so follow the complete posted sign where you drive. How DMV Prep sources content.
More regulatory signs