Quick answer
According to crimebycity.com's analysis of NHTSA Fatality Analysis Reporting System data, Stonington, CT recorded 11 traffic deaths in 11 fatal crashes from 2020 to 2024 — 11.9 deaths per 100,000 residents per year vs the US average of 12.3. Its Road Danger Score of 75/100 means a higher traffic-fatality rate than about 75% of ranked US cities (#14 of 59 in Connecticut, most dangerous first).
Road Danger Score
Traffic Deaths per 100K
Fatal Crashes 2020–2024
How Dangerous Are the Roads in Stonington, Connecticut?
Stonington has a Road Danger Score of 75/100 (Above-Average Road Danger). Over the five years from 2020 to 2024, federal crash data recorded 11 fatal motor-vehicle crashes in the city, killing 11 people — 11.9 traffic deaths per 100,000 residents per year, below the national average of 12.3.
Stonington ranks #14 out of 59 ranked cities in Connecticut and #534 out of 2,153 nationally for road danger (most dangerous first). The score is a percentile: a higher traffic-fatality rate than about 75% of ranked US cities.
The most distinctive factor in Stonington's fatal crashes: speeding involved — 36% of fatal crashes, versus 28% nationally.
What’s Behind Stonington’s Fatal Crashes (2020–2024)
Share of the city’s 11 fatal crashes where each factor was recorded. Factors overlap, so shares don’t sum to 100%.
| Crash Factor | Fatal Crashes | Stonington | National Avg |
|---|---|---|---|
| Drinking driver involved | 3 | 27.3% | 25.9% |
| Speeding involved | 4 | 36.4% | 28.2% |
| Pedestrian or cyclist involved | 1 | 9.1% | 22.5% |
| Dark / nighttime conditions | 3 | 27.3% | 49.8% |
Stonington Traffic Deaths by Year
Annual traffic fatalities in Stonington, Connecticut from NHTSA FARS. Single-year swings are normal in smaller cities; the Road Danger Score uses the full 5-year window.
| Year | Traffic Deaths |
|---|---|
| 2024 | 1 |
| 2023 | 2 |
| 2022 | 5 |
| 2021 | 2 |
| 2020 | 1 |
Frequently Asked Questions
How many fatal car accidents happen in Stonington, Connecticut?
According to NHTSA FARS data, Stonington recorded 11 fatal car accidents between 2020 and 2024, resulting in 11 traffic deaths — an average of 2.2 deaths per year.
How dangerous are the roads in Stonington?
Stonington has a Road Danger Score of 75/100, meaning its traffic-fatality rate is higher than about 75% of ranked US cities. The city averages 11.9 traffic deaths per 100,000 residents per year, compared to the US average of 12.3.
What causes fatal car accidents in Stonington?
Of Stonington's fatal crashes in 2020–2024, 27% involved a drinking driver, 36% involved speeding, 9% involved a pedestrian or cyclist, and 27% happened in dark conditions.
How many people die in car accidents in Stonington each year?
An average of 2.2 people per year died in car accidents in Stonington across 2020–2024 (11 total), based on the federal Fatality Analysis Reporting System.
Is driving in Stonington more dangerous than in other Connecticut cities?
Stonington ranks #14 of 59 ranked Connecticut cities for road danger (most dangerous first) and #534 of 2,153 nationally.