| Number | Length (mi)[1] | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes |
|---|
| SSR 401 | 2.29 | 3.69 | Route 20 inWindsor Locks | Route 75 inWindsor Locks | — | — | Bradley Airport Connector |
| SSR 403 | 1.09 | 1.75 | One-way loop access road betweenBradley Airport Connector (SSR 401) andBradley International Airport terminal inWindsor Locks | — | — |
| SSR 404 | 0.81 | 1.30 | Route 220 inEnfield | Willard-Cybulski Correctional Institution | — | — | Shaker Road, Bilton Road |
| SSR 405 | 0.47 | 0.76 | Route 175 inNewington | Hartford Regional Center | — | — | Patricia M. Genova Drive |
| SSR 410 | 2.28 | 3.67 | Route 154 inMiddletown | Pratt & Whitney Aircraft Plant | — | — | Aircraft Road |
| SSR 411 | 1.98 | 3.19 | Route 3 inRocky Hill | Route 99 inRocky Hill | — | — | ServesDinosaur State Park and Arboretum |
| SSR 422 | 0.31 | 0.50 | Route 99 inWethersfield | Hartford Avenue inWethersfield | — | — | Nott Street |
| SSR 423 | 0.31 | 0.50 | South Road inFarmington | State Highway Garage | — | — | |
| SSR 424 | 0.86 | 1.38 | Route 175 inWethersfield | Road end | — | — | Russell Road |
| SSR 426 | 0.20 | 0.32 | Route 14 inPlainfield | Quinebaug Valley Fish Hatchery | — | — | Russell Road |
| SSR 429 | 0.67 | 1.08 | Route 149 inColchester | Day Pond State Park | — | — | |
| SSR 430 | 0.86 | 1.38 | Route 195 inMansfield | North Eagleville Road inMansfield | — | — | ServesUniversity of Connecticut |
| SSR 431 | 2.39 | 3.85 | Route 148 inLyme | Route 82 inEast Haddam | — | — | ServesGillette Castle State Park |
| SSR 432 | 0.54 | 0.87 | US 1 inEast Lyme | Stone's Ranch Military Reservation | — | — | |
| SSR 433 | 1.28 | 2.06 | Route 32 inMontville | Fort Shantok Archeological District | — | — | |
| SSR 434 | 10.13 | 16.30 | Route 82 inEast Haddam | Route 82 inEast Haddam | — | — | ServesDevil's Hopyard State Park |
| SSR 435 | 0.21 | 0.34 | US 6 inKillingly | Old Furnace State Park | — | — |
| SSR 437 | 0.44 | 0.71 | Route 32 inNew London | State Pier | — | — | Crystal Avenue |
| SSR 438 | 2.90 | 4.67 | US 44 inPutnam | Quaddick Town Farm Road inThompson | — | — |
| SSR 439 | 0.56 | 0.90 | Route 151 inEast Hampton | Hurd Park Road inEast Haddam | — | — | ServesHurd State Park |
| SSR 449 | 1.07 | 1.72 | Route 156 inEast Lyme | I-95 inEast Lyme | — | — | Rocky Neck Connector; servesRocky Neck State Park |
| SSR 450 | 4.46 | 7.18 | US 1 inMadison | Route 79 inMadison | — | — | Hammonasset Connector, Duck Hole Road, Horse Pond Road; servesHammonasset Beach State Park |
| SSR 453 | 0.32 | 0.51 | Route 10 inHamden | Mount Carmel Avenue inHamden | — | — | ServesSleeping Giant State Park |
| SSR 454 | 1.89 | 3.04 | Route 110 inShelton | Birchbank Road inShelton | — | — | ServesIndian Well State Park |
| SSR 476 | 1.41 | 2.27 | Sherwood Island State Park inWestport | US 1 inWestport | — | — | Sherwood Island Connector |
| SSR 478 | 6.08 | 9.78 | Route 45 inWashington | Route 45 inWarren | — | — | ServesLake Waramaug State Park |
| SSR 479 | 0.25 | 0.40 | US 202 inWashington | Mount Tom State Park | — | — | |
| SSR 480 | 0.77 | 1.24 | Route 4 inCornwall | Great Hollow Road inCornwall | — | — | ServesMohawk Mountain State Park |
| SSR 481 | 0.28 | 0.45 | Route 39 inNew Fairfield | Squantz Pond State Park | — | — | |
| SSR 482 | 4.11 | 6.61 | Route 181 /Route 318 inBarkhamsted | Route 20 inBarkhamsted | — | — | ServesPeoples State Forest |
| SSR 483 | 0.49 | 0.79 | Winsted Road (SR 800) inTorrington | Burr Pond State Park | — | — |
| SSR 485 | 1.17 | 1.88 | Route 4 inTorrington | University of Connecticut, Torrington campus | — | — | University Drive |
| SSR 486 | 1.08 | 1.74 | Route 188 inSouthbury | Waterbury–Oxford Airport inOxford | — | — | |
| SSR 487 | 4.24 | 6.82 | Route 67 inSouthbury | Kettletown State Park | — | — | |
| SSR 488 | 0.90 | 1.45 | Route 20 inHartland | Mill Street | — | — | ServesTunxis State Forest |
| SSR 489 | 0.17 | 0.27 | Route 4 inBurlington | Connecticut State Fish Hatchery | — | — | |
| SSR 490 | 1.10 | 1.77 | Route 34 inNewtown | Garner Correctional Institution | — | — | Nunnawauk Road, Wasserman Way; provides access toI-84 |
| SSR 492 | 0.24 | 0.39 | US 6 /Route 67 inSouthbury | State Highway Garage | — | — | |
| SSR 493 | 0.34 | 0.55 | Station Place inStamford | US 1 /Route 137 inStamford | — | — | Washington Boulevard; servesStamford Transportation Center |
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