Notwithstanding Section 253.3, no portion of the adopted Route 33 freeway between Foster Park and Cozy Dell Canyon Road shall be constructed as a freeway or expressway until a transportation corridor study, on a transportation corridor approximating such portion of the adopted Route 33 freeway, is undertaken and carried to a conclusion by the department in cooperation with the affected local governing agencies, including the County of Ventura and the City of Ojai, and a plan of action for fulfilling the corridor transportation needs has been mutually agreed upon by the parties conducting the study.

The transportation corridor study shall, when undertaken, follow a process which includes community involvement and participation in reaching a finding on the transportation needs, and in selection of the optimum means of fulfilling those needs, for the corridor and its related service area.