California Streets and Highways Code
“ If, in the judgment of the commission or the director, the public interest would be advanced thereby, a freeway, as defined herein, may be denominated a "controlled access highway". In all other respects, the "controlled access highway" shall be subject to all provisions of this code pertaining to freeways. As used in this code, "State highway" means any highway which is acquired, laid out, constructed, improved or maintained as a State highway pursuant to constitutional or legislative authorization. ”
