US road sign R10-11 · regulatory signs
NO TURN ON RED
California MUTCD, sign R10-11What does the NO TURN ON RED sign mean?
No right turn while the light is red, not even after a full stop: wait for green (CVC 21453(b)).
How regulatory signs work
They give a rule you must obey. They are rectangular unless the manual names another shape (California MUTCD, section 2B.02); the STOP sign, for example, is an octagon (California Driver’s Handbook, “Laws and Rules of the Road”).
