Crash data does not tell you what your case is worth. What it does is show where and when Connecticut crashes cluster, which categories of road user are most at risk, and which trends are moving in the wrong direction.
The figures below come from Connecticut’s own crash reporting system. Every number carries a date, because these datasets update continuously and preliminary counts change as reports are finalized.
Where the Data Comes From
Connecticut’s primary source is the Connecticut Crash Data Repository, maintained by the Connecticut Transportation Institute at UConn in partnership with the Connecticut Department of Transportation and the Department of Emergency Services and Public Protection.
The repository is free and public. Anyone can query crashes by town, route, date range, collision type, and injury severity, which makes it genuinely useful if you want to look at your own road or intersection. Data is drawn from police crash reports and can lag the incident by weeks or months.
Statewide Fatality Trends
Connecticut traffic deaths rose after 2020 and have been declining recently.
In August 2025, DESPP reported that fatal collisions on roads under Connecticut State Police jurisdiction fell nearly 30 percent through the end of July compared to the same period the prior year, with 49 fatal collisions from January 1 through July 31, 2025, against 69 during the same window in 2024. Statewide, the same release cited the Crash Data Repository showing 143 total traffic deaths as of August 12, 2025, compared with 196 for the same period in 2024.
That downward trend continued through the year. Reporting on UConn Transportation Institute figures showed 256 traffic fatalities through December 17, 2025, compared with 304 during the same period in 2024, 295 in 2023, 347 in 2022, and 289 in 2021.
The Patterns Inside the Numbers
The DESPP analysis found that in 2025, fatal collisions most often occurred on Mondays and Thursdays, most frequently between 9 p.m. and 10 p.m., and that I-84 was the most frequent location.
That last point matters for anyone driving through the center of the state. I-84 runs directly through Waterbury, Hartford, and Danbury, and it carries a mix of commuter traffic and heavy commercial vehicles. See our page on the most dangerous roads and highways in Connecticut.
Not Everyone Is Getting Safer
The overall decline masks a split. Driver and passenger deaths dropped substantially in 2025, and fatal motorcycle and ATV crashes were also down against the five year average.
Pedestrian and bicyclist deaths moved the other way. Pedestrian fatalities through mid December 2025 were slightly above the five year average, and bicyclist deaths roughly doubled the recent typical count according to the Connecticut Transportation Institute.
This is the most important thing on this page. Vehicle occupants are protected by decades of crash engineering. People walking and cycling are not, and Connecticut’s numbers reflect that gap. See our pedestrian accident and bicycle accident pages, and our overview of the surge in pedestrian fatalities.
Where Fatal Crashes Concentrate
Fatal crashes are not spread evenly. Analyses of Crash Data Repository figures have consistently placed New Haven, Hartford, and Waterbury among the towns with the highest fatal crash counts, with Bridgeport also ranking high.
Those cities share the same risk factors: dense traffic, direct interstate access, complex intersections, heavy pedestrian activity, and constant commercial and delivery vehicle movement. New Haven and Bridgeport sit on the I-95 corridor, while Hartford and Waterbury are tied to I-84.
What Investigators Are Watching
Impairment analysis has become more sophisticated. The state toxicology lab now runs full screening panels on people involved in fatal crashes, and researchers have reported seeing significant polydrug use rather than alcohol alone.
Connecticut has also expanded infrastructure countermeasures, including installing its 200th wrong way detection system on state highways.
Why This Matters to a Claim
Statistics do not prove any individual case, but they inform how cases are investigated. Crash data supports arguments about a dangerous intersection or corridor. Time and day patterns matter in fatigue and impairment cases. And documented conditions on a specific stretch of road can support a claim against the entity responsible for maintaining it, which carries its own short deadlines. See our liability and statute of limitations guides.
For questions about how claims work generally, see our Connecticut car accident FAQs and our guide to what to do after a crash.
Talk to a Connecticut Car Accident Attorney
Behind each of these numbers is a person and a family. If you are one of them, the statistics matter less than the specifics of what happened to you.
Talk with a Waterbury car accident lawyer, a personal injury lawyer, or a truck accident lawyer. Etemi Law also represents injured people in Hartford, New Haven, and Bridgeport. Contact us for a free consultation.