California Code, Public Utilities Code - PUC § 10104

If the two municipal corporations, or a municipal corporation and a county, are unable to agree on the terms and conditions and location of a use within three months after a proposal to do so, the municipal corporation proposing to use a street, alley, avenue, or highway may bring an action in the superior court of the county in which the street, alley, avenue, or highway is situated against the other municipal corporation or the county to have the terms and conditions and location determined. The superior court may determine and adjudicate the terms and conditions to which the use of the street, avenue, alley, or highway shall be subject, and the location thereof, and upon the making of the final judgment the municipal corporation desiring to do so may enter and use the street, alley, avenue, or highway upon the terms and conditions and at the location specified in the judgment.