Public Infrastructure

Muir Woods Road Improvement Project

Muir Woods Road, from the entrance of Muir Woods National Monument to the intersection of Hwy 1, Mill Valley, Unincorporated area, Muir Beach, California

Document Stage

Post-Decision

Approval Date

Oct 20, 2026

Description

The Federal Highway Administration–Central Federal Lands Highway Division, in cooperation with the Marin County Department of Public Works, the National Park Service, and the California Department of Parks and Recreation, is proposing to improve a segment of Muir Woods Road in Marin County. Proposed improvements include resurfacing, restoring, and rehabilitating the roadway; stabilizing slopes; and replacing the existing bridge over Redwood Creek. From parent project: The proposed improvements p...

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