Route 166 is from:
(a) Route 1 near Guadalupe to Route 101 in Santa Maria.
(b) Route 101 near Santa Maria to Route 33 in Cuyama Valley.
(c) Route 33 near Maricopa easterly to Route 99.
Cal. Sts. & High. Code § 466
The State Highway Routes
Repealed and added by Stats. 1963, Ch. 385.
Official source: California Legislative Information. Reproduced from public-domain California statutes; confirm against the official source for the current text. Not legal advice.