Cal. Streets and Highways Code § 31201

In eminent domain proceedings to acquire property for any of the purposes of this chapter, any real property, personal property, franchises, rights, easements, or other property or privileges appurtenant thereto appropriated or dedicated to a public use or purpose by any person, private, public, or municipal corporation, county, city, district, or any political subdivision of the state, may be condemned and taken, and the acquisition and use thereof as provided in this chapter for the same public use or purpose to which such property has been appropriated or dedicated or for any other public use or purpose, shall be deemed a superior and permanent right and necessity, and a more necessary use and purpose than the public use or purpose to which such property has already been appropriated or dedicated. It shall not be necessary in any eminent domain proceedings pursuant to this section to plead or prove any acts or proceedings preliminary or prior to the adoption of the resolution required by Section 1245.220 of the Code of Civil Procedure.