MUTCD R3-1h · Regulatory signs
Right turns are prohibited during several posted time periods
What it means
Right turns are prohibited during several posted time periods
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 R3-1h.)
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.
- R3-1d Right turns are prohibited for trucks over the posted weight
- R3-1e Right turns are prohibited, except for buses
- R3-1f Right turns are prohibited, except for buses and taxis
- R3-1g Right turns are prohibited during the times and days posted on the sign
- R3-2 No left turn
- R3-3 No turns — you must continue straight through
