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Widening Projects
SBCAG and Caltrans have undertaken widening 16 miles of Highway 101, known as Highway 101: Santa Barbara to Mussel Shoals, to add carpool lanes and address a narrow portion of Highway 101 that currently has two lanes in each direction. The project is phased as depicted on the Project Location Map below. Phases 1, 2, and 3 are complete. Phase 4 construction is underway.
Between Santa Barbara and Mussel Shoals, Highway 101 is being expanded to include new carpool lanes and operational improvements. The phases are color coded above.
California Department of Transportation (Caltrans Title)
