Marlborough, CT truck route planning & crash data
Plan safer truck routes in Marlborough: commercial truck and garbage truck crashes in Marlborough 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 |
It stands out for higher deaths per 100 crashes and on snow, slush or ice.
Marlborough at a glance: SR-66 deadliest road: 3 fatal truck crashes within 10 miles of Marlborough since 2015.
Overview
Capitol Planning Region has recorded 4,545 truck crashes since 2015, with 1,846 people injured and 118 killed.
In complete reporting years that works out to about 1 truck crash a day.
With 34 truck crashes reported in Marlborough since 2015, this page uses Capitol Planning Region numbers for its patterns and comparisons.
When crashes happen
The worst month is December with 9.2% of truck crashes; the quietest is November at 7.2%.
November through March accounts for 41.1% of truck crashes here, compared with 41.3% in Connecticut.
The busiest hour is 8–9 am, 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
The deadliest road for trucks within 10 miles of Marlborough is SR-66, with 3 fatal large-truck crashes since 2015. It is followed by SR-16 (2), SR-2 (1) and Ts-109 Keeney St (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).
They recorded 5.1 deaths per 100 crashes, against 2.6 for all trucks.
Route planning tips for Marlborough fleets
- Review driver schedules for December, the month with the most truck crashes.
- Check whether your routes use SR-66, 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.
- 7.0% of truck crashes were on snow, slush or ice, above Connecticut; plan winter equipment checks before the season.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
About the data
This report uses the FMCSA crash file (reported crashes of trucks over 10,000 lb) and NHTSA FARS (fatal crashes). It reports the numbers without guessing at reasons.
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) |
|---|---|
| SR-66 | 3 |
| SR-16 | 2 |
| SR-2 | 1 |
| Ts-109 Keeney St | 1 |
| US-6 | 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 |
Marlborough at a glance
| Population | 6,192 |
| Land area | 23.4 sq mi |
| Density | 265 per sq mi |
| Median household income (ZIP 06447) | $142,105 |
| Median home value (ZIP 06447) | $386,587 |
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 |
Reported truck crashes averaged 204 a year in the 1990s and 405 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 6.8 fatal large-truck crashes a year in 2016–19 and 8.2 a year in 2020–24.
Nearby places
Questions fleets ask about Marlborough
How many truck crashes happen in Marlborough?
4,545 truck crashes have been reported in Capitol Planning Region since 2015, with 118 deaths and 1,846 injuries.
What is the most dangerous road for trucks in Marlborough?
SR-66 had 3 fatal crashes involving a large truck within 10 miles of Marlborough since 2015, more than any other road.
Which month has the most truck crashes in Marlborough?
December has the most truck crashes in Capitol Planning Region, 9.2% of the yearly total.
Are garbage truck crashes common in Marlborough?
140 crashes involving garbage or refuse trucks have been reported in Capitol Planning Region since 2015, 3.1% of all truck crashes.
What is the truck crash rate in Marlborough compared with Connecticut?
Per 100,000 residents, Capitol Planning Region has 39.1 truck crashes a year; Connecticut has 40.2.
How can I plan a safer truck route in Marlborough?
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.