Groton, CT truck route planning & crash data
Plan safer truck routes in Groton: commercial truck and garbage truck crashes in Groton and Southeastern Connecticut Planning Region, dangerous roads, seasonality and route safety data for fleets. Patterns use Southeastern Connecticut Planning Region numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
4.4 deaths per 100 garbage-truck crashes vs 2.7 for all trucks.
Deadliest roads
How Southeastern Connecticut Planning Region compares with Connecticut
Southeastern Connecticut Planning Region against Connecticut and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Southeastern Connecticut Planning Region stands out
Full comparison
| Measure (2015–2025) | Southeastern Connecticut Planning Region | Connecticut | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 30.0 | 40.2 | 49.7 | 25% below the state |
| Deaths per 100 crashes | 2.7 | 2.2 | 3.4 | 1.2× the state |
| Injuries per crash | 0.41 | 0.39 | 0.49 | same |
| Garbage-truck share | 4.8% | 3.3% | 2.3% | 1.5× the state |
| On snow, slush or ice | 8.6% | 6.2% | 6.2% | 1.4× the state |
| Morning rush (6–10 am) | 24.9% | 24.4% | 23.7% | same |
| In rain, sleet or snow | 13.3% | 14.1% | 13.8% | same |
| Winter months (Nov–Mar) | 42.2% | 41.3% | 41.9% | same |
| After dark | 23.4% | 28.0% | 24.8% | 16% below the state |
Southeastern Connecticut Planning Region has lower values than Connecticut for crashes per 100k residents / yr and after dark. It runs above Connecticut on deaths per 100 crashes, garbage-truck share and on snow, slush or ice.
Groton at a glance: I-95 most fatal truck crashes within 10 miles of Groton: 5 since 2015.
Overview
Southeastern Connecticut Planning Region has recorded 1,002 truck crashes since 2015, with 419 people injured and 26 killed.
Across the years with complete reporting, that is roughly one truck crash every 4 days.
With 119 truck crashes reported in Groton since 2015, this page uses Southeastern Connecticut Planning Region numbers for its patterns and comparisons.
When crashes happen
Truck crashes peak in January (10.9% of the year) and are lowest in November (5.9%).
November through March accounts for 42.2% of truck crashes here, compared with 41.3% in Connecticut.
More truck crashes happen at 2–3 pm than at any other hour (8.9%).
Snow, slush or ice was on the road in 8.6% of truck crashes, compared with 6.2% in Connecticut.
Where crashes happen
I-95 leads within 10 miles of Groton with 5 fatal crashes involving a large truck since 2015. Next come US-1 (1).
Garbage & waste trucks
Garbage trucks account for 47 of the truck crashes here, or 4.7%, compared with 3.3% in Connecticut.
Their busiest month is January, with 15% of garbage-truck crashes.
Per 100 crashes, garbage trucks recorded 4.4 deaths compared with 2.7 for all trucks.
Route planning tips for Groton fleets
- Review driver schedules for January, the month with the most truck crashes.
- Check whether your routes use I-95, the road with the most fatal truck crashes in this area.
- Garbage-truck crashes here peak in January; review collection routes for that month.
- With 8.6% of truck crashes on snow, slush or ice (above Connecticut), plan winter equipment checks early.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
About the data
Crash counts come from the FMCSA crash file (police-reported crashes involving trucks over 10,000 lb); fatal-crash locations come from NHTSA FARS. Text on this page states only what these numbers show.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Southeastern Connecticut Planning Region
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-95 | 5 |
| US-1 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Southeastern Connecticut Planning Region) |
|---|---|
| I-95 | 64 |
| I-395 | 42 |
| SR-2 | 15 |
| SR-32 | 13 |
| Rte 85 | 5 |
| Liberty St | 5 |
| Fitchville Rd | 4 |
| Mitchell St | 4 |
Groton at a glance
| Population | 10,160 |
| Land area | 3.1 sq mi |
| Density | 3,295 per sq mi |
| Median household income (ZIP 06340) | $81,792 |
| Median home value (ZIP 06340) | $295,105 |
Historical data: truck crashes in Southeastern Connecticut Planning Region since the 1990s
Combines the FMCSA crash file (all reported truck crashes, real coverage from about 1990) with NHTSA FARS (fatal crashes involving a large truck, 1982–2024).
| Decade | Truck crashes / yr | Change | Fatal crashes / yr (FARS) |
|---|---|---|---|
| 1990s | 53 | — | 0.0 |
| 2000s | 71 | +34% | 1.9 |
| 2010s | 66 | -6% | 2.2 |
| 2020s | 84 | +27% | 2.0 |
In the 1990s about 53 truck crashes a year were reported; in the 2020s, about 84. Reporting coverage also changed between these periods. NHTSA counts 2.0 fatal large-truck crashes a year in 2016–19 and 2.0 a year in 2020–24.
Nearby places
Questions fleets ask about Groton
How common are truck crashes in Groton?
Southeastern Connecticut Planning Region has had 1,002 reported truck crashes since 2015, injuring 419 people and killing 26.
Where do fatal truck crashes happen most in Groton?
Since 2015, I-95 has had the most fatal large-truck crashes within 10 miles of Groton: 5.
What is the worst month for truck crashes in Groton?
Truck crashes in Southeastern Connecticut Planning Region peak in January, with 10.9% of the year's crashes.
How many garbage truck accidents happen in Groton?
47 crashes involving garbage or refuse trucks have been reported in Southeastern Connecticut Planning Region since 2015, 4.7% of all truck crashes.
How do truck crashes in Groton compare with Connecticut?
Southeastern Connecticut Planning Region records 30.0 truck crashes per 100,000 residents a year, against 40.2 across Connecticut.
How can I plan a safer truck route in Groton?
The free Route Planner takes your stops and returns a route risk score, safer alternatives and low-bridge warnings.
2026 is a partial year. Updated October 2026.