Cal. Sts. & High. Code § 76

There is hereby delegated to the commission by the Legislature of the State of California full power and authority to request or accept on behalf of the State of California any grant or grants or modifications of grants made by any executive agency of the United States whereby rights-of-way for the extension, maintenance or operation of state roads or bridges across property of the United States of America are desired or have been granted to the State of California or to any political subdivision thereof.