Section 1721 Of Article 5. County Highways Within Cities From California Streets And Highways Code >> Division 2. >> Chapter 9. >> Article 5.

. The board of supervisors by resolution may determine that it is of general county interest that an existing street in the county extending in whole or in part within a city be made a county highway within the city or that a new county highway be laid out, acquired, constructed and maintained in whole or in part within a city. The resolution shall describe the proposed location or relocation and the general nature of construction proposed to be undertaken by the county. A copy of such resolution shall be forwarded to the governing body of the city within which is included any portion of the highway.