Jurisdiction Library

The same work can follow different rules depending on who owns the road. This library identifies the governing authority at each level — federal, state, county, and city — and points to the official source where each requirement is verified.

Last reviewed: June 24, 2026

Identifying who owns and maintains the road is the first step to knowing which permit and which standards apply. Each page below names the governing agency, the standards that apply, and where to verify the specifics — it does not restate fees, hours, or conditions, which must be confirmed with the agency of jurisdiction.

Federal

State

County

Regional

City

Working across county and city lines in Southern California? Start with the Southern California Jurisdictions overview to see which agency governs which road across the region.