California Code, Streets and Highways Code - SHC § 30800

The department has exclusive jurisdiction and, except as provided in this article, may grant upon the terms, limitations, conditions, and restrictions and under the supervision as in its judgment are necessary or proper, franchises, privileges, or licenses for the construction or operation of toll bridges, toll roads, and toll ferries and for the taking and keeping of tolls from the bridges, roads, and ferries situated wholly or in part within the state.  “Toll ferries” do not include vessels operated by common carriers providing transportation service subject to the jurisdiction of the Public Utilities Commission.