California Code, Streets and Highways Code - SHC § 134.5

Whenever by the construction or improvement of a State highway, changes are necessitated in streets or highways not a part of the State highway system, or in other publicly owned facilities, which require the acquisition of real property or interests therein, the department may acquire such real property in the name of the governmental agency in charge of the street, highway or other facility.  This section shall not impose any liability upon the State where it would not otherwise exist.