It is unlawful for the driver of any vehicle to enter or exit any freeway which has full control of access and no crossings at grade, except upon a designated on ramp with respect to entering the freeway or a designated off ramp with respect to exiting the freeway.
Cal. Veh. Code § 21664
Driving on Right Side
Amended by Stats. 1988, Ch. 765, Sec. 2.
Official source: California Legislative Information. Reproduced from public-domain California statutes; confirm against the official source for the current text. Not legal advice.