All speed restriction signs in place on January 1, 1960, are hereby ratified and confirmed and shall establish the applicable prima facie speed limit unless and until changed pursuant to engineering and traffic surveys provided for by this code.
Cal. Veh. Code § 21369
Erection and Maintenance
Added by Stats. 1959, Ch. 1317.
Official source: California Legislative Information. Reproduced from public-domain California statutes; confirm against the official source for the current text. Not legal advice.