Unity, NH truck route planning & crash data
Plan safer truck routes in Unity: commercial truck and garbage truck crashes in Unity 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 |
Compared with New Hampshire, Sullivan County is lower on crashes per 100k residents / yr, garbage-truck share and after dark. Where it is higher: deaths per 100 crashes, injuries per crash and on snow, slush or ice.
Sullivan County at a glance: 8.1 people killed per 100 truck crashes (New Hampshire: 2.6).
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.
Unity had 5 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Sullivan County numbers.
When crashes happen
Truck crashes peak in March (15.0% of the year) and are lowest in August (2.4%).
The five winter months (November to March) hold 56.1% of truck crashes, against 47.6% across New Hampshire.
By time of day, 1–2 pm stands out with 11.0% of truck crashes.
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 Unity since 2015: SR-11 (1) and SR-12A (1). No single road stands out.
Garbage & waste trucks
2 crashes involved a garbage or refuse truck, a 1.6% share (New Hampshire: 4.2%).
Route planning tips for Unity fleets
- Review driver schedules for March, the month with the most truck crashes.
- With 30.1% of truck crashes on snow, slush or ice (above New Hampshire), plan winter equipment 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 Sullivan County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-11 | 1 |
| SR-12A | 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 |
Unity at a glance
| Population | 1,521 |
| Land area | 37.0 sq mi |
| Density | 41 per sq mi |
| Median household income (ZIP 03601) | $81,250 |
| Median home value (ZIP 03601) | $236,067 |
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 |
From the 1990s to the 2020s, yearly reported truck crashes went from 9 to 13. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 0.5 a year in 2016–19, 0.8 a year in 2020–24.
Nearby places
Questions fleets ask about Unity
How many truck crashes happen in Unity?
Since 2015, 127 crashes involving commercial trucks were reported in Sullivan County (62 injured, 10 killed).
What is the worst month for truck crashes in Unity?
March has the most truck crashes in Sullivan County, 15.0% of the yearly total.
How many garbage truck crashes are there in Unity?
Since 2015, Sullivan County has reported 2 garbage-truck crashes, or 1.6% of its truck crashes.
How does Unity compare with New Hampshire for truck crashes?
Per 100,000 residents, Sullivan County has 25.4 truck crashes a year; New Hampshire has 30.4.
What is the best way to plan truck routes in Unity?
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.