Section 395.5.

Cal. Vehicle Code - VEH § 395.5.
in effect
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A “mobile billboard advertising display” means an advertising display that is attached to a mobile, nonmotorized vehicle, device, or bicycle, that carries, pulls, or transports a sign or billboard, and is for the primary purpose of advertising.
Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026

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