**WORK IN PROGRESS**
Based off: Functional Classification Maps from ConnDOT Maps Page
Freeways
These are interstates, highways, freeways and expressways that are multi-lane, divided roads with no stops (no traffic lights, exit and entrance from/to the road is through ramps)
| Road | Dir | Northern/ Western End |
Southern/ Eastern End |
Notes |
|---|---|---|---|---|
| I-84 | W/E | NY Border | MA Border | |
| I-91 | N/S | MA Border | I-95 New Haven | |
| I-95 | N/S* | NY Border | RI Border | *Officially runs North/South, but in CT actual direction is West/East |
| I-291 | W/E | I-91 (Windsor) | I-84 (Manchester) | |
| I-384 | W/E | I-84 (East Hartford) | US6 / US44 Split (Bolton) | |
| I-395 | N/S | MA Border | I-95 (East Lyme) | |
| I-684 | N/S | NY Border | The 1.4-mile section of I-684 in Greenwich, CT, is maintained by the NYS DOT but owned by the ConnDOT. There are no exits in CT. (Source: I-684 on Wikipedia) | |
| I-691 | W/E | I-84 (Southington) | I-91 (Meriden) | |
Major Highway
A big highway, usually 3+ lanes, with minimal stops – mostly exits and interchanges, but possibly with some intersections and junctions. In Connecticut these are designated as US Rte # or State Rte #.
| Road | Dir | Northern/ Western End |
Southern/ Eastern End |
Notes |
|---|---|---|---|---|
| CT 2 | W/E | Columbus Blvd. (Hartford) |
CT 32 (Norwich) |
Continues as Primary Road to US 1 in Stonington |
| CT 2A | W/E | I-395 | Thames River (Mohegan-Pequot Bridge) |
Overlaps I-395 from CT 2 to Exit 79A Continues East to CT 2 as Primary Road |
| CT 3 | N/S | CT 2 (Glastonbury) |
I-91 (Wethersfield) |
Continues as Minor Highway to CT 66 (Middletown) |
| US 6 | W/E | Split with CT 66 (Columbia) |
Split with CT 66 (North Windham) |
"Willimantic Bypass" Continues both directions as Minor Highway |
| CT 7 | N/S | CT 202 (Brookfield, CT) |
Sugar Hollow Rd (Danbury, CT) |
Continues as Minor Highway (see below) |
| Great Mill Rd (Norwalk, CT) |
I-95 (Norwalk, CT) | |||
| CT 8 | N/S | US 44 (Winsted) |
I-95 (Bridgeport) |
Continues Northbound as Primary Road to MA Border |
| CT 9 | N/S | I-84 (Farmington) |
I-95 (Old Saybrook) |
|
| CT 11 | N/S | CT 2 (Colchester) |
CT 82 (Salem) |
|
| CT 15 | N/S | I-84 (East Hartford) |
Wethersfield | Continues between Wethersfield and Meriden as Minor Highway (Berlin Turnpike) |
| N/S | I-91 (Meriden) |
NY Border | ||
| CT 20 | W/E | Bradley International Airport | I-91 (Windsor Locks) |
Continues Westbound to CT 8 as a Primary Road |
| CT 25 | N/S | CT 111 (Trumbull, CT) | CT 8 (Bridgeport) |
Continues North as Minor Highway (see below) |
| CT 34 | W/E | Frontage Rd East of York St (New Haven) |
I-91/I-95 (New Haven) |
Continues West as Minor Highway (see below) |
| CT 40 | N/S | CT 10 (Hamden) |
I-91 (North Haven) |
Known as the Mount Carmel Connector |
| CT 72 | W/E | CT 177 East Main St. (Plainville) |
CT 9 (New Britain) |
Has a north–south section in Plymouth and Harwinton and an east–west section from Bristol to New Britain. Continues west/north as Minor Highway (see below) |
Minor Highways
Usually a narrower highway, 2 lanes or less, that has stops or traffic lights at almost every intersection, but is still a highway (minor US or state highway). These roads are generally important thoroughfare that goes through several cities or towns. In Connecticut these are designated as US Rte # or State Rte #.
| Road | Dir | Northern/ Western End |
Southern/ Eastern End |
Notes |
|---|---|---|---|---|
| US 1 | N/S | RI Border | NY Border | Called "Boston Post Rd" along most
of it's length - does have other local names |
| US 1A | W/E | US-1 / Stonington Rd (Stonington) |
N. Water St - Trumbull Ave - Alpha Ave - Elm St. | |
| CT 4 | W/E | CT 41/CT 343 (Sharon) |
Old Mill Ln. (West Hartford) |
|
| US 5 | N/S | MA Border | I-91 New Haven |
|
| US 6 | W/E | NY Border | RI Border | Portions overlap I-84 (Freeway). Also see above for Major Highway section in Willamantic. |
| US 7 | N/S | MA Border | US 202 Brookfield, CT |
See above for two Major Highway sections in Danbury & Norwalk. |
| Sugar Hollow Rd (Danbury, CT) |
Great Mill Rd (Norwalk, CT) | |||
| CT 10 | N/S | MA Border | I-95 (New Haven, CT) |
|
| CT 12 | N/S | MA Border | US 1 (Groton, CT) |
|
| CT 14 | W/E | CT 66 (Windham, CT) |
RI Border | CT 14 & CT 14A rejoin at the RI Border |
| CT 14A | W/E | CT 14 (Sterling, CT) | ||
| CT 15 | N/S | Wethersfield | Meriden | Continues both directions as Major Highway (see above) |
| CT 17 | N/S | CT 2 (Glastonbury) |
Middletown Ave (New Haven) |
|
| CT 19 | N/S | MA Border | CT 190 (Stafford) |
|
| CT 22 | W/E | CT 10 Hamden |
US 1 (N. Branford/Guilford Line |
|
| TRUCK CT 22 |
CT 5 (North Haven) |
Truck Route 22 is the only bannered route in the entire state | ||
| CT 25 | N/S | CT 202 (Brookfield) |
CT 111 (Trumbull) |
Continues South as Major Highway (see above) |
| CT 27 | N/S | CT 184 (Groton) |
US 1 (Stonington) |
|
| CT 30 | N/S | West of Merline Rd (Vernon) |
Hale Rd (Manchester) |
Continues both directions as Primary Road (see below) |
| CT 31 | W/E | CT 74 (Vernon) |
CT 21 (Mansfield) |
|
| CT 32 | N/S | MA Border | Crystal Avenue (New London) |
|
| CT 34 | W/E | I-84/US 6 (Newtown) |
Frontage Rd East of York St (New Haven) |
Continues East as Major Highway (see above) |
| CT 35 | N/S | US 7 (Ridgefield) |
NY Border | |
| CT 37 | N/S | US 7 (New Milford) |
CT 39/CT 53 (Danbury) |
|
| CT 39 | N/S | CT 55 (Sherman) |
CT 53/CT 37 (Danbury) |
|
| CT 41 | N/S | MA Border | NY Border | The only state-numbered route in Connecticut that has both its ends at a state border. |
| CT 42 | W/E | CT 67 (Oxford) |
CT 10 (Cheshire) |
|
| CT 43 | N/S | CT 63 (Cornwall) |
CT 4/CT 128 (Cornwall) |
|
| US 44 | W/E | NY Border | MA Border | Overlaps Several Major Highways & Freeways |
| CT 45 | N/S | US 7 (Cornwall) |
US 202 (Washington) |
|
| CT 47 | N/S | US 202 (Washington) |
US 6 (Woodbury) |
|
| CT 49 | N/S | CT 14A (Sterling) |
CT 2 (Stonington) |
|
| CT 53 | N/S | CT 39/CT 37 (Danbury) |
US 1 (Norwalk) |
|
| CT 55 | W/E | NY Border | US 7 (New Milford) |
|
| CT 57 | N/S | US 7/CT 107 Wilton |
CT 33 Westport |
|
| CT 58 | N/S | CT 302 Bethel |
US 1 (Fairfield) |
|
| CT 59 | N/S | CT 25 (Monrone) |
US 1 (Bridgeport) |
|
| CT 61 | N/S | CT 63 (Morris) |
US 6 (Woodbury) |
|
| CT 63 | N/S | US 7 (New Canaan) |
CT 10 (New Haven) |
|
| CT 64 | W/E | US 6 (Woodbury) |
I-84 (Waterbury) |
|
| CT 66 | W/E | I-691 (Meriden) |
US 6 (Windham) |
|
| CT 67 | W/E | US 7/US 202 (New Milford) |
CT 63 (Woodbridge) |
|
| CT 68 | W/E | CT 63 (Naguatuck) |
CT 17 (Durham) |
|
| CT 69 | N/S | CT 4 (Burlington) |
CT 63 (New Haven) |
|
| CT 70 | W/E | I-84 (Cheshire) |
CT 71 (Meriden) |
|
| CT 71 | N/S | CT 173 (West Hartford) |
US 5 (Wallingford) |
|
| CT 72 | * | CT 4 (Harwinton) |
CT 177 East Main St. (Plainville) |
Has a north–south section in Plymouth and Harwinton and an east–west section from Bristol to New Britain. Continues east as Major Highway (see above). |
Primary Street
These are major roads or boulevards in urban and suburban areas and have large amounts of use (such as Middlefield Rd. in Menlo Park, Park blvd. in Oakland, Constitution Ave. in Washington, DC). In less urban environments they are main thoroughfares in towns that are not US or state highways.
| Road | Dir | Northern/ Western End |
Southern/ Eastern End |
Notes |
|---|---|---|---|---|
| CT 16 | W/E | CT 66 (East Hampton) |
CT 207 Lebanon, CT |
|
| CT 17A | N/S | CT 66 (Portland) |
CT 17 (Portland) |
Known as Main St |
| CT 20 | W/E | CT 8 (Winchester) |
Bradley International Airport | |
| CT 21 | N/S | CT 193 (Thompson) |
CT 12 (Killingly) |
|
| CT 30 | N/S | CT 190 Stafford | West of Merline Rd (Vernon) |
Continues between these segments as Minor Highway (see above) |
| Hale Rd (Manchester) |
CT 5/I 291 (South Windsor) | |||
| CT 33 | N/S | CT 35 (Ridgefield) |
CT 136/I-95 (Westport) |
|