Left Turn Signs
MUTCD left turn signs control left-turn movements at intersections and on multilane roads — from No Left Turn prohibitions to Left Turn Only and Left Lane Must Turn Left lane assignments, Two-Way Left Turn Only center-lane signs, and left-turn signal signs. All are built on rust-proof .080" aluminum with High Intensity Prismatic or Fluorescent reflective sheeting, with roll-up options for temporary use.
No Left Turn Signs
No Left Turn (R3-2)
No Left Turn Plaque (R3-2P)
No Left Turn Roll-Up (RU114)
No U-Turn Or Left Turn (R3-18)
Left Turn Only & Lane Control Signs
Left Turn Only (R3-1aP)
Left Lane Must Turn Left (R3-7L)
Begin Left Turn Lane (R3-20L)
Two-Way Left Turn Only – Overhead (R3-9a)
Two-Way Left Turn Only – Post (R3-9b)
Left Turn Signal Signs
Left Turn Signal (R10-10L)
Left Turn Yield On Green (R10-12)
Left Turn Yield – Flashing Yellow (R10-12a)
Left Turn Signs FAQ
What is a left turn sign?
A left turn sign is a regulatory sign that controls left-turn movements — prohibiting them (No Left Turn), requiring them (Left Turn Only, Left Lane Must Turn Left), or governing left turns at a traffic signal.
What is the difference between No Left Turn and Left Turn Only?
No Left Turn (R3-2) prohibits a left turn at that location, while Left Turn Only requires vehicles in that lane to turn left.
What is a Two-Way Left Turn Only sign?
Two-Way Left Turn Only (R3-9a/R3-9b) designates a center lane shared by traffic from both directions for making left turns only. R3-9a is overhead-mounted and R3-9b is post-mounted.
What are Left Turn Signal and Left Turn Yield signs?
These signal signs govern left turns at an intersection — Left Turn Signal (R10-10L), Left Turn Yield on Green (R10-12), and Left Turn Yield on Flashing Yellow Arrow (R10-12a).
Are left turn signs MUTCD compliant?
Yes. They meet MUTCD specifications for shape, color, and legend for use on public roads.
What sizes and materials are available?
Left turn signs come in multiple sizes on rust-proof .080-inch aluminum with High Intensity Prismatic or Fluorescent reflective sheeting, with roll-up options for temporary use.
