MUTCD R2-2bP · Regulatory signs
Specific speed limit for both trucks and buses
What it means
Indicates the specific speed limit for both trucks and buses.
What to do about it
It is a regulatory sign: it states a law you must obey, not a suggestion. Ignoring it is a citable violation. (MUTCD R2-2bP.)
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.
- R1-10P Supplemental plaque indicating exception for right turn movements
- R2-1 Maximum speed limit for all vehicles on the roadway
- R2-2 Specific speed limit for trucks only
- R2-2aP Specific speed limit for buses only
- R2-2cP Specific speed limit for vehicles over 5 tons
- R2-3P The speed limit that applies during nighttime hours
