Sts. & Hy. Code, § 31206

If any property belonging to any county, city, public or municipal corporation, district, or political subdivision of the state, is taken for the acquisition or construction of the toll tunnel, or if any such property is injured or damaged by such acquisition or construction, and the payment of compensation therefor is necessary, proper and necessary compensation therefor as is agreed upon may be paid by the authority to the particular county, city, public or municipal corporation, district, or political subdivision of the state owning or in charge of such property, or the authority may direct that eminent domain proceedings be brought pursuant to this article for the determination of such compensation, including the determination of the interest of any such county, city, public or municipal corporation, district, or political subdivision in such property and the necessity for the payment of such compensation.

Whenever the authority requires a public utility to remove and relocate any utility facility, the authority shall reimburse the owner of the public utility facility for the expense of the removal and relocation.