Cal. Sts. & High. Code § 263.3

The state scenic highway system shall also include:

(a) The international boundary near Tijuana to Route 75 near the south end of San Diego Bay.
(b) San Diego opposite Coronado to Route 74 near San Juan Capistrano.
(c) Route 210 near Tunnel Station to Route 126 near Castaic.
(d) Route 152 west of Los Banos to Route 580 near Vernalis.
(e) Route 44 near Redding to the Shasta Reservoir.
(f) Route 89 near Mt. Shasta to Route 97 near Weed.
(g) Route 3 near Yreka to the Oregon state line near Hilts.
Route 8 from Sunset Cliffs Boulevard in San Diego to Route 98 near Coyote Wells.
Route 9 from:
(a) Route 1 near Santa Cruz to Route 236 near Boulder Creek.
(b) Route 236 near Boulder Creek to Route 236 near Waterman Gap.
(c) Route 236 near Waterman Gap to Route 35.
(d) Saratoga to Route 17 near Los Gatos.
(e) Blaney Plaza in Saratoga to Route 35.
Route 12 from Route 101 near Santa Rosa to Route 121 near Sonoma.
Route 13 from Route 24 to Route 580.
Route 14 from Route 58 near Mojave to Route 395 near Little Lake.
Route 15 from:
(a) Route 76 near the San Luis Rey River to Route 91 near Corona.
(b) Route 58 near Barstow to Route 127 near Baker.
Route 16 from Route 20 to Capay.
Route 17 from Route 1 near Santa Cruz to Route 9 near Los Gatos.
Route 18 from Route 138 near Mt. Anderson to Route 247 near Lucerne Valley.
Route 20 from:
(a) Route 1 near Fort Bragg to Route 101 near Willits.
(b) Route 101 near Calpella to Route 16.
(c) Route 49 near Grass Valley to Route 80 near Emigrant Gap.
Route 24 from the Alameda-Contra Costa county line to Route 680 in Walnut Creek.
Route 25 from Route 198 to Route 156 near Hollister.
Route 27 from Route 1 to Mulholland Drive.
Route 29 from:
(a) Route 37 near Vallejo to Route 221 near Napa.
(b) The vicinity of Trancas Street in northwest Napa to Route 20 near Upper Lake.
Route 33 from:
(a) Route 101 near Ventura to Route 150.
(b) Route 150 to Route 166 in Cuyama Valley.
(c) Route 198 near Coalinga to Route 198 near Oilfields.
Route 36 from:
(a) Route 101 near Alton to Route 3 near Peanut.
(b) Route 89 near Morgan Summit to Route 89 near Deer Creek Pass.

Route 5 from: