The state of Connecticut is divided into 169 Cities and Towns. When assigning the "City" property to Road Segments please use this list.
- Andover (CRCOG GIS)
- Ansonia
- Ashford
- Avon (GIS, CRCOG GIS)
- Barkhamsted
- Beacon Falls (GIS)
- Berlin (GIS)
- Bethany
- Bethel (GIS)
- Bethlehem
- Bloomfield (MDC GIS, CRCOG GIS)
- Bolton (CRCOG GIS)
- Bozrah
- Branford (GIS)
- Bridgeport
- Bridgewater
- Bristol
- Brookfield
- Brooklyn
- Burlington
- Canaan
- Canterbury
- Canton (GIS, CRCOG GIS)
- Chaplin
- Cheshire (GIS)
- Chester
- Clinton
- Colchester
- Colebrook
- Columbia
- Cornwall
- Coventry
- Cromwell
- Danbury (GIS)
- Darien
- Deep River
- Derby
- Durham
- East Granby (CRCOG GIS)
- East Haddam
- East Hampton
- East Hartford (MDC GIS, CRCOG GIS)
- East Haven
- East Lyme
- East Windsor (CRCOG GIS)
- Eastford
- Easton
- Ellington (CRCOG GIS)
- Enfield (GIS, CRCOG GIS)
- Essex
- Fairfield
- Farmington (CRCOG GIS)
- Franklin
- Glastonbury (GIS, CRCOG GIS)
- Goshen
- Granby (CRCOG GIS)
- Greenwich
- Griswold
- Groton
- Guilford
- Haddam (GIS)
- Hamden
- Hampton
- Hartford (GIS, MDC GIS, CRCOG GIS)
- Hartland
- Harwinton
- Hebron (CRCOG GIS)
- Kent
- Killingly (GIS)
- Killingworth
- Lebanon
- Ledyard
- Lisbon
- Litchfield
- Lyme
- Madison
- Manchester (GIS, CRCOG GIS)
- Mansfield (GIS)
- Storrs
- Marlborough (GIS, CRCOG GIS)
- Meriden (GIS)
- Middlebury
- Middlefield
- Middletown (GIS)
- Milford
- Monroe
- Montville
- Morris
- Naugatuck
- Newington (MDC GIS, CRCOG GIS)
- Newtown
- New Britain
- New Canaan
- New Fairfield
- New Hartford
- New Haven
- New London
- New Milford
- Norfolk
- North Branford
- North Canaan
- North Haven
- North Stonington
- Norwalk
- Norwich
- Old Lyme (GIS)
- Old Saybrook
- Orange
- Oxford
- Plainfield
- Plainville
- Plymouth
- Pomfret
- Portland
- Preston
- Prospect
- Putnam
- Redding
- Ridgefield
- Rocky Hill (GIS, MDC GIS), CRCOG GIS)
- Roxbury
- Salem
- Salisbury
- Scotland
- Seymour
- Sharon
- Shelton
- Sherman
- Simsbury (CRCOG GIS)
- Somers (CRCOG GIS)
- South Windsor (GIS, CRCOG GIS)
- Southbury (GIS)
- Southington (GIS)
- Sprague
- Stafford
- Stamford
- Sterling
- Stonington (GIS)
- Stratford
- Suffield (CRCOG GIS)
- Thomaston
- Thompson
- Tolland (CRCOG GIS)
- Torrington
- Trumbull (GIS)
- Union
- Vernon (CRCOG GIS)
- Voluntown
- Wallingford
- Warren
- Washington
- Waterbury (GIS)
- Waterford
- Watertown
- West Hartford (GIS, MDC GIS, CRCOG GIS)
- West Haven
- Westbrook
- Weston
- Westport
- Wethersfield (MDC GIS, CRCOG GIS)
- Willington (GIS)
- Wilton
- Winchester
- Winsted
- Windham
- Willimantic
- Windsor (MDC GIS, CRCOG GIS)
- Windsor Locks (CRCOG GIS)
- Wolcott
- Woodbridge
- Woodbury (GIS)
- Woodstock
Regional GIS
- The MDC - Bloomfield, East Hartford, Hartford, Newington, Rocky Hill, West Hartford, Wethersfield, and Windsor
- Capitol Region Council of Governments - Andover, Avon, Bloomfield, Bolton, Canton, East Granby, East Hartford, East Winsor, Ellington, Enfield, Farmington, Glastonbury, Granby, Hartford, Hebron, Manchester, Marlborough, Newington, Rocky Hill, Simsbury, Somers, South Windsor, Suffield, Tolland, Vernon, West Hartford, Wethersfield, Windsor, Windsor Locks
- Southeastern Connecticut Council of Governments - Bozrah, Colchester, East Lyme, Franklin, Griswold, Groton, Ledyard, Lisbon, Montville, New London, North Stonington, Norwich, Preston, Salem, Sprague, Stonington, Voluntown, and Waterford
- Council of Governments, Central Naugatuck Valley - Beacon Falls, Bethlehem, Cheshire, Middlebury, Naugatuck, Oxford, Prospect, Southbury, Thomaston, Waterbury, Watertown, Wolcott, Woodbury