Streets and Highways Code section 253.2

The California freeway and expressway system shall also include:
Route 1 from:

(a)

Los Angeles-Ventura county line to Route 101 near El Rio.

(b)

Route 101 near Las Cruces to Route 227 south of Oceano.

(c)

Route 101 near San Luis Obispo to San Simeon.

(d)

The north limits of Carmel to the west city limits of Santa Cruz.

(e)

The Higgins-Purisima Road to Route 280 south of San Francisco.

(f)

Route 280 to the San Francisco county line.

(g)

Route 101 near the southerly end of Marin Peninsula to the vicinity of Valley Ford.

(h)

Route 128 near the mouth of the Navarro River to Route 101 near Leggett.
Route 2 from Glendale Boulevard in Los Angeles County to Route 210.
Route 3 from Route 299 near Weaverville to Route 5 near Yreka.
Route 4 from:

(a)

Route 80 in Hercules to Route 99 near Stockton.

(b)

Route 99 near Stockton to Route 65.
Route 12 from:

(a)

Route 1 near Valley Ford to Route 101 at Santa Rosa.

(b)

Route 101 near Santa Rosa to Melita Road near Santa Rosa.

(c)

Route 29 in the vicinity of Napa to Route 80 near Cordelia.

(d)

Route 80 near Fairfield to Route 99 near Lodi via Rio Vista.

(e)

Route 99 near Lodi to Route 88 near Lockeford.

(f)

Route 88 near Clements to Route 49 near San Andreas.
Route 13 from:

(a)

Route 61 near the Oakland International Airport to Route 24.

(b)

Route 80 to Route 61 near Emeryville.
Route 16 from:

(a)

Route 505 to Route 5 near Woodland.

(b)

Route 50 near Perkins to Route 49 near Drytown.
Route 17 from:

(a)

Route 1 near Santa Cruz to Granite Creek Road near Scott’s Valley.

(b)

The south city limits of Los Gatos to Route 280 in San Jose.
Route 20 from Route 101 to Route 80 near Emigrant Gap.

Source: Section 253.2, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=SHC§ionNum=253.­2.­ (accessed Apr. 24, 2025).

Last Updated

Apr. 24, 2025

§ 253.2’s source at ca​.gov