Suffield, CT truck route planning & crash data
Plan safer truck routes in Suffield: commercial truck and garbage truck crashes in Suffield and Capitol Planning Region, dangerous roads, seasonality and route safety data for fleets. Patterns use Capitol Planning Region numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
5.1 deaths per 100 garbage-truck crashes vs 2.6 for all trucks.
Deadliest roads
How Capitol Planning Region compares with Connecticut
Capitol Planning Region against Connecticut and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Capitol Planning Region stands out
Full comparison
| Measure (2015–2025) | Capitol Planning Region | Connecticut | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 39.1 | 40.2 | 49.7 | same |
| Deaths per 100 crashes | 2.6 | 2.2 | 3.4 | 1.2× the state |
| Injuries per crash | 0.40 | 0.39 | 0.49 | same |
| Garbage-truck share | 3.2% | 3.3% | 2.3% | same |
| On snow, slush or ice | 7.0% | 6.2% | 6.2% | 1.1× the state |
| Morning rush (6–10 am) | 23.6% | 24.4% | 23.7% | same |
| In rain, sleet or snow | 14.8% | 14.1% | 13.8% | same |
| Winter months (Nov–Mar) | 41.1% | 41.3% | 41.9% | same |
| After dark | 27.6% | 28.0% | 24.8% | same |
Where it is higher: deaths per 100 crashes and on snow, slush or ice.
Suffield at a glance: I-91 deadliest road: 6 fatal truck crashes within 10 miles of Suffield since 2015.
Overview
Since 2015, 4,545 crashes involving commercial trucks have been reported in Capitol Planning Region. They injured 1,846 people and killed 118.
That averages about 1 truck crash a day in fully reported years.
With 38 truck crashes reported in Suffield since 2015, this page uses Capitol Planning Region numbers for its patterns and comparisons.
When crashes happen
December has the most truck crashes, 9.2% of the yearly total, while November has the fewest (7.2%).
Winter months (Nov–Mar) carry 41.1% of truck crashes, vs 41.3% for Connecticut.
By time of day, 8–9 am stands out with 7.1% of truck crashes.
Road surface: 7.0% of truck crashes were on snow, slush or ice (Connecticut: 6.2%).
Where crashes happen
I-91 leads within 10 miles of Suffield with 6 fatal crashes involving a large truck since 2015. After it: SR-75 (2), US-5 (2) and College Ave (1).
Garbage & waste trucks
140 crashes involved a garbage or refuse truck, a 3.1% share (Connecticut: 3.3%).
Garbage-truck crashes peak in March (12% of them).
Per 100 crashes, garbage trucks recorded 5.1 deaths compared with 2.6 for all trucks.
Route planning tips for Suffield fleets
- Build extra time into December routes: it has the most truck crashes here.
- Check whether your routes use I-91, the road with the most fatal truck crashes in this area.
- For residential and commercial waste routes, look again at March schedules: garbage-truck crashes peak then.
- With 7.0% of truck crashes on snow, slush or ice (above Connecticut), plan winter equipment checks early.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
About the data
Sources: the FMCSA crash file for all reported truck crashes and NHTSA FARS for fatal crashes with a large truck. Every statement here comes straight from those numbers.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Capitol Planning Region
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-91 | 6 |
| SR-75 | 2 |
| US-5 | 2 |
| College Ave | 1 |
| Hancock St | 1 |
| SR-168 | 1 |
| SR-187 | 1 |
| SR-189 | 1 |
| SR-20 | 1 |
| SR-510 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Capitol Planning Region) |
|---|---|
| I-84 | 121 |
| I-91 | 102 |
| Day Hill Rd | 16 |
| Main St | 13 |
| Main Street | 13 |
| Berlin Trnpk | 12 |
| Main St No 1 | 11 |
| Brainard Rd | 11 |
Suffield at a glance
| Population | 15,964 |
| Land area | 42.3 sq mi |
| Density | 378 per sq mi |
| Median household income (ZIP 06078) | $116,054 |
| Median home value (ZIP 06078) | $412,541 |
Historical data: truck crashes in Capitol 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 | 204 | — | 0.0 |
| 2000s | 210 | +3% | 4.2 |
| 2010s | 279 | +33% | 5.7 |
| 2020s | 405 | +45% | 8.2 |
In the 1990s about 204 truck crashes a year were reported; in the 2020s, about 405. Reporting coverage also changed between these periods. Fatal large-truck crashes: 6.8 a year in 2016–19, 8.2 a year in 2020–24.
Nearby places
Questions fleets ask about Suffield
How common are truck crashes in Suffield?
4,545 truck crashes have been reported in Capitol Planning Region since 2015, with 118 deaths and 1,846 injuries.
Which road has the most fatal truck crashes in Suffield?
I-91 had 6 fatal crashes involving a large truck within 10 miles of Suffield since 2015, more than any other road.
When do most truck crashes happen in Suffield?
December has the most truck crashes in Capitol Planning Region, 9.2% of the yearly total.
How many garbage truck accidents happen in Suffield?
140 crashes involving garbage or refuse trucks have been reported in Capitol Planning Region since 2015, 3.1% of all truck crashes.
How does Suffield compare with Connecticut for truck crashes?
Per 100,000 residents, Capitol Planning Region has 39.1 truck crashes a year; Connecticut has 40.2.
What is the best way to plan truck routes in Suffield?
Use the free Route Planner: enter your stops to get a risk score, safer alternatives and the low bridges on your route.
2026 is a partial year. Updated October 2026.