Section 966 Of Chapter 2. Powers And Duties Of Boards Of Supervisors From California Streets And Highways Code >> Division 2. >> Chapter 2.

. (a) The board of supervisors may provide for the erection and maintenance of gates on the county highways to avoid the necessity of building highway fences. The board may prescribe rules and regulations for closing such gates, and penalties for violating such rules and regulations.
  (b) The person, for whose immediate benefit the gates are erected or maintained, shall in all cases bear the expense of such erection and maintenance.