25 Mile Per Hour Prima Facie Speed Limit in California

Under CVC 22352, the speed limit is 25 miles per hour unless a different speed limit is posted on a highway, business district, residence district, when or passing a school building. The prima facie speed limits are 25 miles per hour at the following locations:

(1) On any highway other than a state highway, in any business or residence district unless a different speed is determined by local authority under procedures set forth in this code.

(2) When passing a school building or the grounds thereof, contiguous to a highway and posted with a standard “SCHOOL” warning sign, while children are going to or leaving the school either during school hours or during the noon recess period. Such prima facie limit shall also apply when passing any school grounds which are not separated from the highway by a fence, gate or other physical barrier while the grounds are in use by children and the highway is posted with a standard “SCHOOL” warning sign.