ZIP 01450 (Groton, MA) truck route planning & crash data
Plan safer truck routes around ZIP 01450: commercial truck and garbage truck crashes here and in Middlesex County, dangerous roads, seasonality and route safety data for fleets.
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. Where it is higher: garbage-truck share and morning rush (6–10 am).
ZIP 01450 at a glance: I-495 4 fatal truck crashes since 2015, more than any other road within 10 miles of ZIP 01450.
Overview
Police reported 4,505 crashes involving commercial trucks in Middlesex County since 2015: 1,863 people were injured and 73 were killed.
In complete reporting years that works out to about 1 truck crash a day.
When crashes happen
Truck crashes peak in January (9.5% of the year) and are lowest in April (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%).
Snow, slush or ice was on the road in 6.2% of truck crashes, compared with 6.6% in Massachusetts.
Where crashes happen
I-495 leads within 10 miles of ZIP 01450 with 4 fatal crashes involving a large truck since 2015. Next come 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 ZIP 01450 fleets
- Build extra time into January routes: it has the most truck crashes here.
- Look at alternatives to I-495 at busy times: it leads this area in fatal truck crashes.
- Garbage-truck crashes here peak in November; review collection routes for that month.
- 30.4% of truck crashes happen between 6 and 10 am, above Massachusetts; consider earlier or later starts where possible.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 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 |
ZIP 01450 at a glance
| Population | 11,356 |
| Density | 134 per sq mi |
| Median household income | $193,292 |
| Median home value | $741,517 |
| Home ownership | 89% |
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 |
From the 1990s to the 2020s, yearly reported truck crashes went from 107 to 406. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 4.2 a year in 2016–19, 7.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 01450
How many truck accidents are there in ZIP 01450?
Since 2015, 4,505 crashes involving commercial trucks were reported in Middlesex County (1,863 injured, 73 killed).
Where do fatal truck crashes happen most in ZIP 01450?
NHTSA data shows I-495 with 4 fatal large-truck crashes within 10 miles of ZIP 01450 since 2015, the highest of any road.
When do most truck crashes happen in ZIP 01450?
The worst month is January: 9.5% of truck crashes in Middlesex County happen then.
How many garbage truck crashes are there in ZIP 01450?
255 crashes involving garbage or refuse trucks have been reported in Middlesex County since 2015, 5.7% of all truck crashes.
How does ZIP 01450 compare with Massachusetts for truck crashes?
Middlesex County records 23.2 truck crashes per 100,000 residents a year, against 22.9 across Massachusetts.
What is the best way to plan truck routes in ZIP 01450?
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.