Route 251 is from:
(a) Route 580 near Point San Quentin to Route 101 near Greenbrae.
(b) Route 101 near San Rafael to Route 1 near Point Reyes Station.
Cal. Sts. & High. Code § 551
The State Highway Routes
Amended by Stats. 1984, Ch. 409, Sec. 61.
Official source: California Legislative Information. Reproduced from public-domain California statutes; confirm against the official source for the current text. Not legal advice.