Grantham, NH truck route planning & crash data
Plan safer truck routes in Grantham: commercial truck and garbage truck crashes in Grantham and Sullivan County, dangerous roads, seasonality and route safety data for fleets. Patterns use Sullivan County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
2 of 127 truck crashes since 2015.
Deadliest roads
How Sullivan County compares with New Hampshire
Sullivan County against New Hampshire and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Sullivan County stands out
Full comparison
| Measure (2015–2025) | Sullivan County | New Hampshire | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 25.4 | 30.4 | 49.7 | 16% below the state |
| Deaths per 100 crashes | 8.1 | 2.6 | 3.4 | 3.1× the state |
| Injuries per crash | 0.50 | 0.39 | 0.49 | 1.3× the state |
| Garbage-truck share | 1.6% | 4.2% | 2.3% | 61% below the state |
| On snow, slush or ice | 30.1% | 20.2% | 6.2% | 1.5× the state |
| Morning rush (6–10 am) | 27.6% | 29.3% | 23.7% | same |
| In rain, sleet or snow | 31.7% | 22.8% | 13.8% | 1.4× the state |
| Winter months (Nov–Mar) | 56.1% | 47.6% | 41.9% | 1.2× the state |
| After dark | 11.4% | 16.3% | 24.8% | 30% below the state |
Sullivan County has lower values than New Hampshire for crashes per 100k residents / yr, garbage-truck share and after dark. It runs above New Hampshire on deaths per 100 crashes, injuries per crash and on snow, slush or ice.
The headline for Sullivan County: 8.1 deaths per 100 truck crashes, vs 2.6 in New Hampshire.
Overview
Sullivan County has recorded 127 truck crashes since 2015, with 62 people injured and 10 killed.
Across the years with complete reporting, that is roughly one truck crash every 33 days.
With 27 truck crashes reported in Grantham since 2015, this page uses Sullivan County numbers for its patterns and comparisons.
When crashes happen
The worst month is March with 15.0% of truck crashes; the quietest is August at 2.4%.
November through March accounts for 56.1% of truck crashes here, compared with 47.6% in New Hampshire.
More truck crashes happen at 1–2 pm than at any other hour (11.0%).
30.1% 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 Grantham since 2015: SR-11 (1) and SR-4 (1). No single road stands out.
Garbage & waste trucks
Garbage trucks account for 2 of the truck crashes here, or 1.6%, compared with 4.2% in New Hampshire.
Route planning tips for Grantham fleets
- Review driver schedules for March, the month with the most truck crashes.
- 30.1% of truck crashes were on snow, slush or ice, above New Hampshire; plan winter equipment checks before the season.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 Sullivan County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-11 | 1 |
| SR-4 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Sullivan County) |
|---|---|
| S Main St | 4 |
| Main St | 3 |
| Bellows Falls Rd | 2 |
| Ft S Of 89 N & 47.4 | 2 |
| Intersection Of 2Nd Nh Tpk & Nh Rt 10 | 2 |
| N Mm 40 | 2 |
| Sunapee St | 2 |
| Washington St | 2 |
Grantham at a glance
| Population | 3,483 |
| Land area | 27.2 sq mi |
| Density | 128 per sq mi |
| Median household income (ZIP 03753) | $106,285 |
| Median home value (ZIP 03753) | $350,602 |
Waste facilities and haulers nearby
Historical data: truck crashes in Sullivan 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 | 9 | — | 0.5 |
| 2000s | 10 | +11% | 0.4 |
| 2010s | 11 | +11% | 0.3 |
| 2020s | 13 | +20% | 0.8 |
Reported truck crashes averaged 9 a year in the 1990s and 13 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 0.5 fatal large-truck crashes a year in 2016–19 and 0.8 a year in 2020–24.
Nearby places
Questions fleets ask about Grantham
How many truck accidents are there in Grantham?
Since 2015, 127 crashes involving commercial trucks were reported in Sullivan County (62 injured, 10 killed).
When do most truck crashes happen in Grantham?
The worst month is March: 15.0% of truck crashes in Sullivan County happen then.
How many garbage truck crashes are there in Grantham?
Since 2015, Sullivan County has reported 2 garbage-truck crashes, or 1.6% of its truck crashes.
How does Grantham compare with New Hampshire for truck crashes?
The yearly rate is 25.4 truck crashes per 100,000 residents in Sullivan County, vs 30.4 for New Hampshire.
What is the best way to plan truck routes in Grantham?
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.