The department may enter into a contract with the Federal authority in charge of any National monument with respect to the portion of the expense of the acquisition, construction, improvement or maintenance of any State highway within such monument to be borne by the respective parties to such contract. The contract may provide for the construction, improvement or maintenance of the highway wholly by such Federal authority. No such contract shall limit in any respect the right of the public to use the highway in accordance with laws applicable thereto.
Ca. Sts. and High. Code § 130.5