CA St & Hwy Code § 301 (2021)
2021 California Code|Streets and Highways Code - SHC|DIVISION 1 - STATE HIGHWAYS|CHAPTER 2 - The State Highway System|ARTICLE 3 - The State Highway Routes|Section 301.

301.  Route 1 is from:(a) Route 5 south of San Juan Capistrano to Route 101 near El Rio except for the portions of Route 1 relinquished:(1) Within the city limits of the City of Dana Point between the western edge of the San Juan Creek Bridge and Eastline Road at the city limits of the City of Laguna Beach.(2) Within the city limits of the City of Newport Beach between Jamboree Road and Newport Coast Drive.(3) Within the city limits of the City of Santa Monica between the southern city limits and Route 10.(4) Within the city limits of the City of Oxnard between Pleasant Valley Road and Route 101.(b) Route 101 at Emma Wood State Beach, 1.3 miles north of Route 33, to Route 101, 2.8 miles south of the Ventura-Santa Barbara county line at Mobil Pier Undercrossing.(c) Route 101 near Las Cruces to Route 101 in Pismo Beach via the vicinity of Lompoc, Vandenberg Air Force Base, and Guadalupe.(d) Route 101 in San Luis Obispo to Route 280 south of San Francisco along the coast via Cambria, San Simeon, and Santa Cruz.(e) Route 280 near the south boundary of the City and County of San Francisco to Route 101 near the approach to the Golden Gate Bridge in San Francisco.(f) Route 101 near the southerly end of Marin Peninsula to Route 101 near Leggett via the coast route through Jenner and Westport.(g) The relinquished former portions of Route 1 within the Cities of Dana Point, Newport Beach, Santa Monica, and Oxnard are not state highways and are not eligible for adoption under Section 81. For those relinquished former portions of Route 1, the Cities of Dana Point, Newport Beach, Santa Monica, and Oxnard shall maintain within their respective jurisdictions signs directing motorists to the continuation of Route 1. The City of Newport Beach shall ensure the continuity of traffic flow on the relinquished portions of Route 1 within its jurisdiction, including, but not limited to, any traffic signal progression.(h) Upon a determination by the commission that it is in the best interest of the state to do so, the commission may, upon terms and conditions approved by it, relinquish to the City of Los Angeles the portion of Route 1 within the city between the southern city limit of the City of Santa Monica (approximately postmile 33.3) and Route 105 (approximately postmile 25.9), if the department and the City of Los Angeles enter into an agreement providing for that relinquishment. The following conditions shall apply upon relinquishment:(1) The relinquishment shall become effective on the date following the county recorder’s recordation of the relinquishment resolution containing the commission’s approval of the terms and conditions of the relinquishment.(2) On and after the effective date of the relinquishment, the relinquished portion of Route 1 shall cease to be a state highway.(3) The portion of Route 1 relinquished under this subdivision shall be ineligible for future adoption under Section 81.(4) The City of Los Angeles shall ensure the continuity of traffic flow on the relinquished portion of Route 1, including any traffic signal progression, to the extent applicable.(5) For the portion of Route 1 relinquished under this subdivision, the City of Los Angeles shall install and maintain within its jurisdiction, signs directing motorists to the continuation of Route 1 to the extent deemed necessary by the department.(Amended by Stats. 2015, Ch. 561, Sec. 1. (AB 810) Effective January 1, 2016.)