CA MUTCD Known Errors

Caltrans intends to correct these errors in the next CA MUTCD annual revision. This list of known errors is provided solely for the information of CA MUTCD users and does not constitute official changes to the CA MUTCD at this time. Please note that minor errata such as in typography, punctuation, grammar, numbering, formatting, figure graphics, hyperlinks, etc., although being tracked by Caltrans are not listed below.

CA MUTCD 2026 Known Errors
As of July 21, 2026
Section Details
Part 2 Figure 2B-15(CA) (Sheet 5 of 5)
 
  • On the left side of the upper detail (EXIT RAMP), the leader line with arrow that is pointing to the space between  R5-1a and R1-1 should not be present.
  • On the lower detail (ENTRANCE RAMP), "Exit Ramp" should be "Entrance Ramp."
  • The R5-1a WRONG WAY signs on both sides of the Entrance Ramp should not be present.
  • See corrected Figure 2B-15(CA)(Sheet 5 of 5) below:
  Corrected Figure 2B-15(CA) (Sheet 5 of 5)
Section Details
Part 4 Table 4D-101(CA)
 
  • In the top table, the Deceleration Distance part of the Detector Setback (D) equation should have Speed (V) squared.
  • See corrected Table 4D-101(CA) below:
   Table 4D-101(CA) Minimum Yellow Change Interval Timing