SR-4 Flood Adaptation Survey - 2026

The San Joaquin Council of Governments (SJCOG) and Caltrans are evaluating flood adaptation and emergency evacuation efforts along the State Route 4 (SR-4) highway corridor between the Cities of Brentwood and Stockton. Take this survey to help guide these planning efforts and enter a raffle to win a $100 Visa gift card!
Project Area from Brentwood/Discovery Bay in Contra Costa County to Stockton in San Joaquin County