Route 101 is from:
(a) Route 5 near Seventh Street in Los Angeles to Route 1, Funston approach, and, subject to Section 72.1, the approach to the Golden Gate Bridge in the Presidio of San Francisco via Santa Barbara, San Luis Obispo, and Salinas.(b) A point in Marin County opposite San Francisco to the Oregon state line via Crescent City.Ca. Sts. and High. Code § 401
EFFECTIVE 1/1/2000. Amended September 29, 1999 (Bill Number: SB 798) (Chapter 559).