California Code, Streets and Highways Code - SHC § 682.5

(a) Notwithstanding Section 731, the department may issue permits to counties and cities for the use of highways within their boundaries and to community-based nonprofit corporations for special events upon terms and conditions relating to the safe and orderly movement of traffic that the department finds necessary.A city or county or a community-based nonprofit corporation issued a permit may allow or conduct vending on or adjacent to the highway immediately preceding, during, or immediately following the permitted special event in accordance with the terms and conditions specified by the department in the permit.

Not more than four permits for the same activity at the same location shall be issued to any city or county or community-based nonprofit corporation in any calendar year.No permit shall be issued to a community-based nonprofit corporation unless that corporation has been issued an acknowledgment by the city or county within which the special event is proposed to be conducted.

Neither the department, in issuing permits for the use of highways, nor the city or county, in issuing acknowledgments, shall be responsible for the conduct or operation of the permitted activity and shall require the permit applicant to agree to indemnify and hold harmless the state and the city or county against any and all claims arising out of any activity for which the permit is issued.

(b) As used in this section,“community-based nonprofit corporation” means a corporation formed under the Nonprofit Corporation Law (Division 2 (commencing with Section 5000) of the Corporations Code) having an office located within the county within which the special event is to be held.

(c) As used in this section, “acknowledgment” means the issuance by a city or county to a community-based nonprofit corporation of a special event permit, road closure or detour permit, or letter of permission authorizing the special event for which a permit from the department is sought.