Groton, NH truck route planning & crash data
Plan safer truck routes in Groton: commercial truck and garbage truck crashes in Groton and Grafton County, dangerous roads, seasonality and route safety data for fleets. Patterns use Grafton County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
14 of 297 truck crashes since 2015.
Deadliest roads
How Grafton County compares with New Hampshire
Grafton County against New Hampshire and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Grafton County stands out
Full comparison
| Measure (2015–2025) | Grafton County | New Hampshire | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 28.1 | 30.4 | 49.7 | 8% below the state |
| Deaths per 100 crashes | 2.8 | 2.6 | 3.4 | 1.1× the state |
| Injuries per crash | 0.47 | 0.39 | 0.49 | 1.2× the state |
| Garbage-truck share | 4.9% | 4.2% | 2.3% | 1.2× the state |
| On snow, slush or ice | 31.9% | 20.2% | 6.2% | 1.6× the state |
| Morning rush (6–10 am) | 27.8% | 29.3% | 23.7% | same |
| In rain, sleet or snow | 31.2% | 22.8% | 13.8% | 1.4× the state |
| Winter months (Nov–Mar) | 51.7% | 47.6% | 41.9% | 1.1× the state |
| After dark | 18.4% | 16.3% | 24.8% | 1.1× the state |
Compared with New Hampshire, Grafton County is lower on crashes per 100k residents / yr. It runs above New Hampshire on deaths per 100 crashes, injuries per crash and garbage-truck share.
The headline for Grafton County: 31.9% of truck crashes happened on snow, slush or ice, vs 20.2% in New Hampshire.
Overview
Since 2015, 297 crashes involving commercial trucks have been reported in Grafton County. They injured 138 people and killed 8.
Across the years with complete reporting, that is roughly one truck crash every 14 days.
Only 1 truck crash was reported in Groton since 2015; patterns below come from Grafton County as a whole.
When crashes happen
Truck crashes peak in December (13.1% of the year) and are lowest in March (4.7%).
Winter months (Nov–Mar) carry 51.7% of truck crashes, vs 47.6% for New Hampshire.
More truck crashes happen at 1–2 pm than at any other hour (9.8%).
31.9% of truck crashes here happened on snow, slush or ice, against 20.2% across New Hampshire.
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of Groton since 2015: SR-25 (2). No single road stands out.
Garbage & waste trucks
14 crashes involved a garbage or refuse truck, a 4.7% share (New Hampshire: 4.2%).
Route planning tips for Groton fleets
- Plan December schedules with more margin; it is the worst month for truck crashes in Grafton County.
- Icy and snowy roads show up in 31.9% of truck crashes here, more than New Hampshire; schedule winter 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 Grafton County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-25 | 2 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Grafton County) |
|---|---|
| Main St | 7 |
| I-93 | 6 |
| SR-3 | 4 |
| SR-302 | 3 |
| Dartmouth College Hwy | 2 |
| I 93 80 Ft N Of Mm 80.8 | 2 |
| I 93 Mm 106.4 | 2 |
| I-89 | 2 |
Groton at a glance
| Population | 587 |
| Land area | 40.7 sq mi |
| Density | 14 per sq mi |
| Median household income (ZIP 03241) | $91,375 |
| Median home value (ZIP 03241) | $470,771 |
Waste facilities and haulers nearby
Historical data: truck crashes in Grafton 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 | 20 | — | 1.1 |
| 2000s | 24 | +23% | 0.6 |
| 2010s | 28 | +16% | 0.8 |
| 2020s | 22 | -23% | 0.6 |
In the 1990s about 20 truck crashes a year were reported; in the 2020s, about 22. Reporting coverage also changed between these periods. Fatal large-truck crashes: 1.2 a year in 2016–19, 0.6 a year in 2020–24.
Nearby places
Questions fleets ask about Groton
How common are truck crashes in Groton?
297 truck crashes have been reported in Grafton County since 2015, with 8 deaths and 138 injuries.
What is the worst month for truck crashes in Groton?
The worst month is December: 13.1% of truck crashes in Grafton County happen then.
How many garbage truck crashes are there in Groton?
Since 2015, Grafton County has reported 14 garbage-truck crashes, or 4.7% of its truck crashes.
How do truck crashes in Groton compare with New Hampshire?
Grafton County records 28.1 truck crashes per 100,000 residents a year, against 30.4 across New Hampshire.
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.