MUTCD R3-6a · Regulatory signs
Both U-turns and left turns are permitted from this lane
What it means
Both U-turns and left turns are permitted from this lane
What to do about it
It is a regulatory sign: regulatory signs tell you what the law requires here, and ignoring one is a violation, not a judgment call. (MUTCD R3-6a.)
Practice this on the real test format
Signs are the part of the DMV written test people fail on, because reading them is a skill rather than a fact to memorize. Aprobify drills all 1034 of them, and tells you why each answer is what it is.
Get the appSign designations follow the MUTCD and the California MUTCD published by Caltrans; meanings are checked against the California Driver's Handbook (DL 600, rev. 6/2025). Edited by Fernando Aguilera. Aprobify is not affiliated with the California DMV.
Signs in the same family
These sit next to it in the regulatory signs series — the ones most easily mixed up with it.
- R3-5fP Plaque identifying that the lane control sign above applies to the right lane
- R3-5gP The lane is exclusively designated for buses
- R3-5L Traffic in this lane must turn left
- R3-5R Overhead sign: traffic in this lane must turn right
- R3-6aL Variant showing U-turn and left-turn movements permitted from the lane
- R3-6aR Variant showing U-turn and turn movements permitted from the lane
