California Code
CHAPTER 9 - Stopping, Standing, and Parking
Section 22520.5.

22520.5. (a) No person shall solicit, display, sell, offer for sale, or otherwise vend or attempt to vend any merchandise or service while being wholly or partly within any of the following:

(1) The right-of-way of any freeway, including any on ramp, off ramp, or roadway shoulder which lies within the right-of-way of the freeway.

(2) Any roadway or adjacent shoulder within 500 feet of a freeway off ramp or on ramp.

(3) Any sidewalk within 500 feet of a freeway off ramp or on ramp, when vending or attempting to vend to vehicular traffic.

(b) Subdivision (a) does not apply to a roadside rest area or vista point located within a freeway right-of-way which is subject to Section 22520.6, to a tow truck or service vehicle rendering assistance to a disabled vehicle, or to a person issued a permit to vend upon the freeway pursuant to Section 670 of the Streets and Highways Code.

(c) A violation of this section is an infraction. A second or subsequent conviction of a violation of this section is a misdemeanor.

(Amended by Stats. 1988, Ch. 924, Sec. 10.)