Route 142 is from:
(a) Route 90 near Brea to Route 71 near Chino.
(b) Route 71 near Chino to Route 210 near Upland.
Cal. Sts. & High. Code § 442
The State Highway Routes
Amended by Stats. 1999, Ch. 724, Sec. 23
Official source: California Legislative Information. Reproduced from public-domain California statutes; confirm against the official source for the current text. Not legal advice.