The Connecticut Department of Transportation based in Rocky Hill, is responsible for all interstates and state routes. This includes state routes in any town unless a local agreement is in place for snow removal or upkeep

 

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
47.080		BM	146.2 PL	CDOT Spervsr	Supervisors	FM	Public Works
47.160		BM	146.2 PL	CDOT SerPtrl	Service Patrol	FM	Public Works
47.320		BM	146.2 PL	CDOT Misc	Miscellaneous Use	FM	Public Works
151.025		BM	146.2 PL	CDOT Base 1	Bases	FM	Public Works
151.115		BM	146.2 PL	CDOT Base 2	Bases	FM	Public Works
453.9125		BM	146.2 PL	CDOT Extendr	Mobile Repeater	FMN	Public Works

District 1 based in Rocky Hill covers the following towns: Andover, Berlin, Bloomfield, Bolton, Bristol, Cheshire, Coventry, Cromwell, Durham, East Hartford, East Windsor, Ellington, Enfield, Glastonbury, Hartford, Manchester, Meriden, Middlefield, Middletown, New Britain, Newington, Plainville, Rocky Hill, Somers, Southington, South Windsor, Stafford, Tolland, Union, Vernon, West Hartford, Wethersfield, Willington, Windsor Locks, Wolcott

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
47.380		BM	146.2 PL	CDOT 1	District 1 Operations	FM	Public Works

District 2 based in Norwich covers the following towns: Ashford, Bozrah, Brooklyn, Canterbury, Chaplin, Chester, Clinton, Colchester, Columbia, Deep River, Eastford, East Haddam, East Hampton, East Lyme, Essex, Franklin, Griswold, Groton, Haddam, Hampton, Hebron, Killingly, Killingworth, Lebanon, Ledyard, Lisbon, Lyme, Mansfield, Marlborough, Montville, New London, North Stonington, Norwich, Old Lyme, Old Saybrook, Plainfield, Pomfret, Portland, Preston, Putnam, Salem, Scotland, Sprague, Sterling, Stonington, Thompson, Voluntown, Waterford, Westbrook, Windham, Woodstock

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
47.300		BM	146.2 PL	CDOT 2	District 2 Operations	FM	Public Works

District 3 based in New Haven covers the following towns: Bethany, Branford, Bridgeport, Darien, East Haven, Easton, Fairfield, Greenwich, Guilford, Hamden, Madison, Milford, Monroe, New Canaan, New Haven, North Branford, North Haven, Norwalk, Orange, Shelton, Stamford, Stratford, Trumbull, West Haven, Weston, Westport, Wilton, Woodbridge, Wallingford

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
47.120		BM	146.2 PL	CDOT 3	District 3 Operations	FM	Public Works

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

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
47.100		BM	146.2 PL	CDOT 4	District 4 Operations	FM	Public Works