CA Sts & High Code Section 8330

(a)

The legislative body of a local agency may summarily vacate a street or highway that has been superseded by relocation.

(b)

A street or highway shall not be summarily vacated pursuant to this section if vacation would do either of the following:

(1)

Cut off all access to a person’s property which, prior to relocation, adjoined the street or highway.

(2)

Terminate a public service easement, unless the easement satisfies the requirements of Section 8333.