Seabrook, NH truck route planning & crash data
Plan safer truck routes in Seabrook: commercial truck and garbage truck crashes in Seabrook and Rockingham County, dangerous roads, seasonality and route safety data for fleets. Patterns use Rockingham County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1.6 deaths per 100 garbage-truck crashes vs 1.4 for all trucks.
Deadliest roads
How Rockingham County compares with New Hampshire
Rockingham County against New Hampshire and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Rockingham County stands out
Full comparison
| Measure (2015–2025) | Rockingham County | New Hampshire | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 36.3 | 30.4 | 49.7 | 1.2× the state |
| Deaths per 100 crashes | 1.4 | 2.6 | 3.4 | 46% below the state |
| Injuries per crash | 0.39 | 0.39 | 0.49 | same |
| Garbage-truck share | 4.9% | 4.2% | 2.3% | 1.2× the state |
| On snow, slush or ice | 17.1% | 20.2% | 6.2% | 15% below the state |
| Morning rush (6–10 am) | 28.3% | 29.3% | 23.7% | same |
| In rain, sleet or snow | 20.2% | 22.8% | 13.8% | 11% below the state |
| Winter months (Nov–Mar) | 47.0% | 47.6% | 41.9% | same |
| After dark | 17.8% | 16.3% | 24.8% | 1.1× the state |
Rockingham County sits below New Hampshire on deaths per 100 crashes, on snow, slush or ice and in rain, sleet or snow. It runs above New Hampshire on crashes per 100k residents / yr, garbage-truck share and after dark.
The headline for Rockingham County: 1.4 deaths per 100 truck crashes, vs 2.6 in New Hampshire.
Overview
Rockingham County has recorded 1,352 truck crashes since 2015, with 530 people injured and 19 killed.
In complete reporting years that works out to about one truck crash every 3 days.
Seabrook had 46 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Rockingham County numbers.
When crashes happen
Truck crashes peak in February (11.4% of the year) and are lowest in September (6.4%).
Winter months (Nov–Mar) carry 47.0% of truck crashes, vs 47.6% for New Hampshire.
More truck crashes happen at 1–2 pm than at any other hour (8.3%).
Snow, slush or ice was on the road in 17.1% of truck crashes, compared with 20.2% in New Hampshire.
Where crashes happen
Fatal large-truck crashes within 10 miles of Seabrook since 2015 were spread across roads: I-95 (2), SR-286 (2) and I-495 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 64 crashes, 4.7% of the total, against 4.2% across New Hampshire.
Garbage-truck crashes peak in February (12% of them).
Per 100 crashes, garbage trucks recorded 1.6 deaths compared with 1.4 for all trucks.
Route planning tips for Seabrook fleets
- Plan February schedules with more margin; it is the worst month for truck crashes in Rockingham County.
- Waste haulers: February is the peak month for garbage-truck crashes in Rockingham County.
- 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 Rockingham County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-95 | 2 |
| SR-286 | 2 |
| I-495 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Rockingham County) |
|---|---|
| Calef Hwy | 11 |
| Plaistow Rd | 8 |
| SR-101 | 7 |
| Lafayette Rd | 7 |
| Ocean Rd | 6 |
| Main St | 6 |
| Indian Rock Rd | 5 |
| E/Exeter-Hampton Expy | 4 |
Seabrook at a glance
| Population | 8,432 |
| Land area | 9.0 sq mi |
| Density | 939 per sq mi |
| Median household income (ZIP 03874) | $82,995 |
| Median home value (ZIP 03874) | $384,648 |
Waste facilities and haulers nearby
Historical data: truck crashes in Rockingham 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 | 62 | — | 2.6 |
| 2000s | 87 | +39% | 2.2 |
| 2010s | 113 | +30% | 1.5 |
| 2020s | 106 | -6% | 2.0 |
From the 1990s to the 2020s, yearly reported truck crashes went from 62 to 106. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 1.0 a year in 2016–19 and 2.0 a year in 2020–24.
Nearby places
Questions fleets ask about Seabrook
How common are truck crashes in Seabrook?
1,352 truck crashes have been reported in Rockingham County since 2015, with 19 deaths and 530 injuries.
Which month has the most truck crashes in Seabrook?
The worst month is February: 11.4% of truck crashes in Rockingham County happen then.
Are garbage truck crashes common in Seabrook?
64 crashes involving garbage or refuse trucks have been reported in Rockingham County since 2015, 4.7% of all truck crashes.
What is the truck crash rate in Seabrook compared with New Hampshire?
The yearly rate is 36.3 truck crashes per 100,000 residents in Rockingham County, vs 30.4 for New Hampshire.
How can I plan a safer truck route in Seabrook?
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.