Quick answer
According to crimebycity.com's analysis of NHTSA data, the most dangerous city to drive in in Connecticut is Cromwell, CT with 16.7 traffic deaths per 100,000 residents per year (2020–2024; Road Danger Score 89/100), vs a US average of 12.3.
Highest Traffic-Fatality Rates in Connecticut
Cities ranked by Road Danger Score — 5-year traffic deaths per 100,000 residents from NHTSA FARS.
| # | City | Danger Score | Deaths per 100K/yr | Deaths 2020–2024 | Alcohol % | Speeding % |
|---|---|---|---|---|---|---|
| 1 | Cromwell | 89/100 | 16.7 | 12 | 30% | 10% |
| 2 | Seymour | 88/100 | 16.4 | 14 | 36% | 64% |
| 3 | Berlin | 87/100 | 15.6 | 16 | 53% | 20% |
| 4 | Windsor | 85/100 | 15.0 | 22 | 40% | 45% |
| 5 | North Haven | 85/100 | 14.8 | 18 | 35% | 29% |
| 6 | Wethersfield | 83/100 | 14.0 | 19 | 13% | 13% |
| 7 | Trumbull | 82/100 | 13.9 | 26 | 24% | 40% |
| 8 | Hartford | 82/100 | 13.7 | 82 | 31% | 53% |
| 9 | North Branford | 81/100 | 13.4 | 9 | 22% | 22% |
| 10 | Waterbury | 79/100 | 13.0 | 75 | 40% | 53% |
| 11 | New Haven | 79/100 | 13.0 | 89 | 23% | 22% |
| 12 | Plainville | 78/100 | 12.6 | 11 | 10% | 20% |
| 13 | Groton Town | 76/100 | 12.2 | 17 | 56% | 31% |
| 14 | New Milford | 75/100 | 12.0 | 17 | 47% | 53% |
| 15 | Stonington | 75/100 | 11.9 | 11 | 27% | 36% |
| 16 | East Hartford | 74/100 | 11.9 | 30 | 46% | 29% |
| 17 | Wallingford | 72/100 | 11.5 | 25 | 44% | 39% |
| 18 | Shelton | 71/100 | 11.3 | 24 | 46% | 32% |
| 19 | Derby | 71/100 | 11.3 | 7 | 57% | 57% |
| 20 | Orange | 70/100 | 11.1 | 8 | 13% | 13% |
| 21 | Southington | 69/100 | 10.9 | 24 | 26% | 52% |
| 22 | Suffield | 66/100 | 10.2 | 8 | 0% | 50% |
| 23 | Guilford | 65/100 | 10.0 | 11 | 57% | 29% |
| 24 | Vernon | 63/100 | 9.8 | 15 | 27% | 20% |
| 25 | Meriden | 63/100 | 9.7 | 29 | 25% | 32% |
| 26 | Rocky Hill | 62/100 | 9.7 | 10 | 30% | 40% |
| 27 | Middletown | 56/100 | 8.7 | 21 | 38% | 33% |
| 28 | Milford | 56/100 | 8.7 | 23 | 32% | 18% |
| 29 | Newtown | 55/100 | 8.6 | 12 | 33% | 17% |
| 30 | Glastonbury | 55/100 | 8.5 | 15 | 46% | 54% |
| 31 | West Haven | 54/100 | 8.4 | 23 | 35% | 35% |
| 32 | Bristol | 52/100 | 8.1 | 25 | 26% | 17% |
| 33 | Bridgeport | 51/100 | 8.0 | 59 | 26% | 30% |
| 34 | Enfield | 50/100 | 7.9 | 16 | 33% | 47% |
| 35 | Branford | 50/100 | 7.9 | 11 | 22% | 22% |
| 36 | Cheshire | 47/100 | 7.5 | 11 | 27% | 36% |
| 37 | Farmington | 47/100 | 7.4 | 10 | 67% | 44% |
| 38 | Clinton | 47/100 | 7.4 | 5 | 50% | 75% |
| 39 | Hamden | 46/100 | 7.3 | 22 | 24% | 38% |
| 40 | Wolcott | 46/100 | 7.3 | 6 | 17% | 33% |
| 41 | East Haven | 46/100 | 7.3 | 10 | 20% | 20% |
| 42 | Stratford | 45/100 | 7.2 | 19 | 50% | 56% |
| 43 | Norwich | 44/100 | 7.0 | 14 | 46% | 46% |
| 44 | Manchester | 42/100 | 6.7 | 20 | 50% | 56% |
| 45 | South Windsor | 42/100 | 6.7 | 9 | 33% | 22% |
| 46 | New Britain | 42/100 | 6.7 | 25 | 28% | 56% |
| 47 | Bloomfield | 39/100 | 6.4 | 7 | 43% | 43% |
| 48 | Westport | 35/100 | 5.8 | 8 | 38% | 25% |
| 49 | Ridgefield | 33/100 | 5.6 | 7 | 57% | 57% |
| 50 | Watertown | 30/100 | 5.4 | 6 | 40% | 40% |
| 51 | Avon | 29/100 | 5.3 | 5 | 40% | 20% |
| 52 | Stamford | 27/100 | 5.1 | 35 | 45% | 36% |
| 53 | New London | 26/100 | 5.0 | 7 | 43% | 86% |
| 54 | Greenwich | 24/100 | 4.7 | 15 | 33% | 53% |
| 55 | West Hartford | 23/100 | 4.7 | 15 | 17% | 58% |
| 56 | Newington | 22/100 | 4.4 | 7 | 33% | 33% |
| 57 | Danbury | 20/100 | 4.2 | 18 | 50% | 33% |
| 58 | Simsbury | 18/100 | 4.0 | 5 | 25% | 0% |
| 59 | Norwalk | 15/100 | 3.4 | 16 | 31% | 25% |