California Code, Streets and Highways Code - SHC § 19132

(a) Rules and regulations.  Make all rules, regulations and laws necessary for the administration, operation and maintenance of the highway lighting district.

(b) Supervision and plan of system.  Supervise and plan a system of highway illumination for the district and decide upon the kind of service most feasible for the district.  Nothing in this chapter shall prevent the board of supervisors from installing and maintaining electric lights on highways in the district for the safety of persons using the roads and bridges and from paying for the same out of the road fund of the county or district road fund.

(c) Location of lights.  Indicate the placing and installation of all lights and any and all subsequent additional lights, except that the governing body may authorize a designated officer to indicate the placing and installation of lights in accordance with standards adopted by the governing body.

(d) Contracts.  Receive bids, award and make contracts with lighting companies in the name of the district to its very best advantage for the installation and maintenance of the street lighting system or any portion thereof and for servicing the same, except the governing body may authorize a designated officer to make, execute, and administer such contracts in the name of the district in accordance with this chapter.

(e) Employees.  Determine the number of employees necessary to properly care for and maintain the system.  The governing body shall prescribe their duties and fix their compensation.  All district employees shall hold their positions at the pleasure of the governing body.

(f) Lighting hours.  Designate the hours for lighting the district.

(g) Incidental powers.  Perform all other acts necessary or proper to carry out the provisions of this part.