Improvements to Highway 101 are under construction in Carpinteria and Summerland. Work in the Padaro segment will begin in summer 2021. Senate Bill 1 funding applications for the Montecito and Santa Barbara segments are currently being reviewed by the California Transportation Commission (CTC). An overall project timeline for Phase 4 is below. To view Phases 1 - 4, please click on the project logos below the map.
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.