No left turn sign
A left-turn arrow inside a red circle with a slash. Left turns are prohibited at that intersection.
Easily confused with
How to read it
The red circle and slash mean the movement pictured inside is not allowed, as California's and Florida's handbooks describe it. The MUTCD places at least one sign over the road, at the far left-hand corner, on a median, or with the stop or yield sign on the near right-hand corner, where drivers intending to turn left will see it.
Rules vary by state and country. This explains the sign's standard meaning in the U.S. Manual on Uniform Traffic Control Devices; it isn't legal advice.
At roundabouts
The MUTCD does not allow No Left Turn signs on the approaches to a roundabout to prohibit turning left onto the circle.
Read next
- Next in Road signsNo right turn signA right-turn arrow inside a red circle with a slash. Right turns are prohibited at that intersection.
- The same shape in BPMN symbolsSequence flow and message flowThe two arrows of BPMN. A solid arrow with a filled head is a sequence flow, the order of steps within one process; a dashed arrow that starts at a small open circle and ends in an open head is a message flow, a message passing between two participants.
More road signs
The same shape elsewhere
Browse symbols drawn with arrows, circles or lines.
Sources
- MUTCD 2009 Edition, Chapter 2B: Regulatory Signs, Barricades, and Gates, MUTCD 2009, Part 2, U.S. Federal Highway Administration, Section 2B.18
- Pennsylvania Driver's Manual, Chapter 2: Signals, Signs and Pavement Markings, Pennsylvania Department of Transportation, p. 11
- California Driver's Handbook, Section 7: Laws and Rules of the Road, California Department of Motor Vehicles, Signs
- Official Florida Driver License Handbook, rev. 08/2023, Florida Department of Highway Safety and Motor Vehicles, p. 48
Researched, edited and approved by Rory Hansen before publishing. Last reviewed September 25, 2026. How we research
Added .