Section 521.

Cal. Streets and Highways Code - SHC § 521.
in effect
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Route 221 is from Route 29 near Soscol Road to Route 121 at Imola Avenue in Napa.
Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026

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