Sunapee, NH truck route planning & crash data
Plan safer truck routes in Sunapee: commercial truck and garbage truck crashes in Sunapee 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 stands out for higher 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
Since 2015, 127 crashes involving commercial trucks have been reported in Sullivan County. They injured 62 people and killed 10.
That averages about one truck crash every 33 days in fully reported years.
Sunapee had 11 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%).
Winter months (Nov–Mar) carry 56.1% of truck crashes, vs 47.6% for New Hampshire.
More truck crashes happen at 1–2 pm than at any other hour (11.0%).
Snow, slush or ice was on the road in 30.1% of truck crashes, compared with 20.2% in New Hampshire.
Where crashes happen
Fatal large-truck crashes within 10 miles of Sunapee since 2015 were spread across roads: SR-11 (1).
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 Sunapee fleets
- Build extra time into March routes: it has the most truck crashes here.
- 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
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 |
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 |
Sunapee at a glance
| Population | 3,459 |
| Land area | 21.1 sq mi |
| Density | 164 per sq mi |
| Median household income (ZIP 03782) | $110,175 |
| Median home value (ZIP 03782) | $430,128 |
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. Fatal crashes involving a large truck averaged 0.5 a year in 2016–19 and 0.8 a year in 2020–24.
Nearby places
Questions fleets ask about Sunapee
How many truck crashes happen in Sunapee?
127 truck crashes have been reported in Sullivan County since 2015, with 10 deaths and 62 injuries.
What is the worst month for truck crashes in Sunapee?
Truck crashes in Sullivan County peak in March, with 15.0% of the year's crashes.
Are garbage truck crashes common in Sunapee?
2 crashes involving garbage or refuse trucks have been reported in Sullivan County since 2015, 1.6% of all truck crashes.
How do truck crashes in Sunapee compare with New Hampshire?
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 Sunapee?
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.