Dorchester, NH truck route planning & crash data
Plan safer truck routes in Dorchester: commercial truck and garbage truck crashes in Dorchester 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 |
Grafton County sits below New Hampshire on crashes per 100k residents / yr. It runs above New Hampshire on deaths per 100 crashes, injuries per crash and garbage-truck share.
Grafton County at a glance: 31.9% of truck crashes happened on snow, slush or ice, vs 20.2% in New Hampshire.
Overview
Police reported 297 crashes involving commercial trucks in Grafton County since 2015: 138 people were injured and 8 were killed.
In complete reporting years that works out to about one truck crash every 14 days.
Dorchester had 2 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Grafton County numbers.
When crashes happen
The worst month is December with 13.1% of truck crashes; the quietest is March at 4.7%.
The five winter months (November to March) hold 51.7% of truck crashes, against 47.6% across New Hampshire.
The busiest hour is 1–2 pm, with 9.8% of truck crashes.
31.9% of truck crashes here happened on snow, slush or ice, against 20.2% across New Hampshire.
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of Dorchester happened on SR-25 (2); no road leads clearly.
Garbage & waste trucks
Garbage and refuse trucks were involved in 14 crashes, 4.7% of the total, against 4.2% across New Hampshire.
Route planning tips for Dorchester fleets
- Build extra time into December routes: it has the most truck crashes here.
- 31.9% of truck crashes were on snow, slush or ice, above New Hampshire; 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 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 |
Dorchester at a glance
| Population | 339 |
| Land area | 44.6 sq mi |
| Density | 8 per sq mi |
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 crashes involving a large truck averaged 1.2 a year in 2016–19 and 0.6 a year in 2020–24.
Nearby places
Questions fleets ask about Dorchester
How many truck accidents are there in Dorchester?
Since 2015, 297 crashes involving commercial trucks were reported in Grafton County (138 injured, 8 killed).
What is the worst month for truck crashes in Dorchester?
December has the most truck crashes in Grafton County, 13.1% of the yearly total.
How many garbage truck crashes are there in Dorchester?
Garbage trucks were involved in 14 reported crashes in Grafton County since 2015 (4.7% of truck crashes).
What is the truck crash rate in Dorchester compared with New Hampshire?
The yearly rate is 28.1 truck crashes per 100,000 residents in Grafton County, vs 30.4 for New Hampshire.
How do I plan a garbage truck route in Dorchester?
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.