State Dossier · FARS Federal Census
Connecticut — Fatal 18-Wheeler Crash Statistics
Federal NHTSA FARS data on fatal large-truck-involved crashes in Connecticut (2015–2024).
Fatal-only · this dataset counts fatal crashes; it does not represent all-severity truck collisions.
Fatal truck crashes
281
All recorded years
Avg. per year
28
Across 10-year record
Deadliest city
NEW HAVEN
Highest fatal-crash count
National rank
#39
of 51 states · 0.6% of U.S. fatal truck crashes
Truck Configuration
- Tractor-trailer153 · 54%
- Straight truck128 · 46%
Fatal Truck Crashes by Year
32'15
30'16
20'17
29'18
20'19
26'20
27'21
35'22
33'23
29'24
Deadliest Cities
01NEW HAVEN15
02HARTFORD9
03WALLINGFORD9
04EAST HARTFORD8
05FAIRFIELD8
06WATERBURY7
07MIDDLETOWN6
08MILFORD6
On the Map
National Map
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Source: U.S. NHTSA Fatality Analysis Reporting System (FARS), data through 2024. Fatal large-truck-involved crashes only.