Groton, MA truck route planning & crash data
Plan safer truck routes in Groton: commercial truck and garbage truck crashes in Groton and Middlesex County, dangerous roads, seasonality and route safety data for fleets. Patterns use Middlesex County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1.2 deaths per 100 garbage-truck crashes vs 1.7 for all trucks.
Deadliest roads
How Middlesex County compares with Massachusetts
Middlesex County against Massachusetts and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Middlesex County stands out
Full comparison
| Measure (2015–2025) | Middlesex County | Massachusetts | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 23.2 | 22.9 | 49.7 | same |
| Deaths per 100 crashes | 1.7 | 2.0 | 3.4 | 15% below the state |
| Injuries per crash | 0.41 | 0.46 | 0.49 | 11% below the state |
| Garbage-truck share | 5.7% | 5.3% | 2.3% | 1.1× the state |
| On snow, slush or ice | 6.2% | 6.6% | 6.2% | 7% below the state |
| Morning rush (6–10 am) | 30.4% | 27.3% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 11.8% | 13.2% | 13.8% | 10% below the state |
| Winter months (Nov–Mar) | 42.4% | 41.9% | 41.9% | same |
| After dark | 17.5% | 19.2% | 24.8% | 9% below the state |
Middlesex County sits below Massachusetts on deaths per 100 crashes, injuries per crash and on snow, slush or ice. It stands out for higher garbage-truck share and morning rush (6–10 am).
The headline for Groton: I-495 most fatal truck crashes within 10 miles of Groton: 4 since 2015.
Overview
Police reported 4,505 crashes involving commercial trucks in Middlesex County since 2015: 1,863 people were injured and 73 were killed.
Across the years with complete reporting, that is roughly 1 truck crash every day.
Groton had 19 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Middlesex County numbers.
When crashes happen
The worst month is January with 9.5% of truck crashes; the quietest is April at 6.9%.
November through March accounts for 42.4% of truck crashes here, compared with 41.9% in Massachusetts.
More truck crashes happen at 8–9 am than at any other hour (9.1%).
Road surface: 6.2% of truck crashes were on snow, slush or ice (Massachusetts: 6.6%).
Where crashes happen
I-495 leads within 10 miles of Groton with 4 fatal crashes involving a large truck since 2015. It is followed by Daniel Webster Hwy (1), Littleton Rd (1) and SR-110 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 255 crashes, 5.7% of the total, against 5.3% across Massachusetts.
Garbage-truck crashes peak in November (12% of them).
Deaths per 100 garbage-truck crashes: 1.2, vs 1.7 for all truck crashes.
Route planning tips for Groton fleets
- Build extra time into January routes: it has the most truck crashes here.
- Check whether your routes use I-495, the road with the most fatal truck crashes in this area.
- For residential and commercial waste routes, look again at November schedules: garbage-truck crashes peak then.
- Morning starts matter: 30.4% of truck crashes fall between 6 and 10 am, higher than Massachusetts.
- 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 Middlesex County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-495 | 4 |
| Daniel Webster Hwy | 1 |
| Littleton Rd | 1 |
| SR-110 | 1 |
| SR-2A | 1 |
| US-3 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Middlesex County) |
|---|---|
| Main St | 52 |
| Rte 495 | 24 |
| Washington St | 19 |
| Ballardvale St | 19 |
| Main Street | 16 |
| Boston Post Rd | 16 |
| Rte 90 E X 123 | 15 |
| Lowell St | 13 |
Groton at a glance
| Population | 11,580 |
| Land area | 1.7 sq mi |
| Density | 6,926 per sq mi |
| Median household income (ZIP 01450) | $193,292 |
| Median home value (ZIP 01450) | $741,517 |
Waste facilities and haulers nearby
Historical data: truck crashes in Middlesex County 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 | 107 | — | 5.5 |
| 2000s | 284 | +165% | 4.7 |
| 2010s | 398 | +40% | 4.5 |
| 2020s | 406 | +2% | 7.0 |
Reported truck crashes averaged 107 a year in the 1990s and 406 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 4.2 a year in 2016–19, 7.0 a year in 2020–24.
Nearby places
Questions fleets ask about Groton
How many truck accidents are there in Groton?
4,505 truck crashes have been reported in Middlesex County since 2015, with 73 deaths and 1,863 injuries.
What is the most dangerous road for trucks in Groton?
Since 2015, I-495 has had the most fatal large-truck crashes within 10 miles of Groton: 4.
Which month has the most truck crashes in Groton?
The worst month is January: 9.5% of truck crashes in Middlesex County happen then.
How many garbage truck crashes are there in Groton?
Since 2015, Middlesex County has reported 255 garbage-truck crashes, or 5.7% of its truck crashes.
How does Groton compare with Massachusetts for truck crashes?
Per 100,000 residents, Middlesex County has 23.2 truck crashes a year; Massachusetts has 22.9.
How can I plan a safer truck route in Groton?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
2026 is a partial year. Updated October 2026.