Introducing TED: Our new Transportation Enterprise Data program. This is a self-service resource for all things CTDOT. In a couple of clicks you’ll be able to get data and maps of Connecticut’s roadways, traffic volumes, crash data, and more. It’s a one stop shop for geospatial data. Visit us today!

Construction District Map


359 South Main Street, Thomaston, CT 06787

District 4 Map


Richard N. Symonds, P.E.
District Engineer
Phone: (203) 591-3544

John R. Lee, P.E.
Assistant District Engineer
Phone: (203) 591-3574

District 4
Ansonia Colebrook Litchfield Plymouth Suffield
Avon Cornwall Middlebury Prospect Thomaston
Barkhamsted Danbury Morris Redding Torrington
Beacon Falls Derby Naugatuck Ridgefield Warren
Bethel East Granby New Fairfield Roxbury Washington
Bethlehem Farmington New Hartford Salisbury Waterbury
Bridgewater Goshen New Milford Seymour Watertown
Brookfield Granby Newtown Sharon Winchester
Burlington Hartland Norfolk Sherman Woodbury
Canaan Harwinton North Canaan Simsbury  
Canton Kent Oxford Southbury