Northfield, NH truck route planning & crash data
Plan safer truck routes in Northfield: commercial truck and garbage truck crashes in Northfield and Merrimack County, dangerous roads, seasonality and route safety data for fleets. Patterns use Merrimack County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
0.0 deaths per 100 garbage-truck crashes vs 3.0 for all trucks.
Deadliest roads
How Merrimack County compares with New Hampshire
Merrimack County against New Hampshire and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Merrimack County stands out
Full comparison
| Measure (2015–2025) | Merrimack County | New Hampshire | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 42.2 | 30.4 | 49.7 | 1.4× the state |
| Deaths per 100 crashes | 3.0 | 2.6 | 3.4 | 1.2× the state |
| Injuries per crash | 0.37 | 0.39 | 0.49 | same |
| Garbage-truck share | 2.9% | 4.2% | 2.3% | 31% below the state |
| On snow, slush or ice | 23.5% | 20.2% | 6.2% | 1.2× the state |
| Morning rush (6–10 am) | 29.8% | 29.3% | 23.7% | same |
| In rain, sleet or snow | 24.6% | 22.8% | 13.8% | 1.1× the state |
| Winter months (Nov–Mar) | 47.4% | 47.6% | 41.9% | same |
| After dark | 17.1% | 16.3% | 24.8% | same |
Merrimack County sits below New Hampshire on garbage-truck share. Where it is higher: crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice.
What stands out in Northfield: SR-106 3 fatal truck crashes since 2015, more than any other road within 10 miles of Northfield.
Overview
Police reported 761 crashes involving commercial trucks in Merrimack County since 2015: 277 people were injured and 22 were killed.
Across the years with complete reporting, that is roughly one truck crash every 5 days.
With 20 truck crashes reported in Northfield since 2015, this page uses Merrimack County numbers for its patterns and comparisons.
When crashes happen
February has the most truck crashes, 12.5% of the yearly total, while May has the fewest (6.6%).
November through March accounts for 47.4% of truck crashes here, compared with 47.6% in New Hampshire.
The busiest hour is 10–11 am, with 8.5% of truck crashes.
Road surface: 23.5% of truck crashes were on snow, slush or ice (New Hampshire: 20.2%).
Where crashes happen
The deadliest road for trucks within 10 miles of Northfield is SR-106, with 3 fatal large-truck crashes since 2015. It is followed by US-3 (2), I-93 (1) and SR-11 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 21 crashes, 2.8% of the total, against 4.2% across New Hampshire.
The most garbage-truck crashes happen in July (24%).
They recorded 0.0 deaths per 100 crashes, against 3.0 for all trucks.
Route planning tips for Northfield fleets
- Plan February schedules with more margin; it is the worst month for truck crashes in Merrimack County.
- Check whether your routes use SR-106, the road with the most fatal truck crashes in this area.
- For residential and commercial waste routes, look again at July schedules: garbage-truck crashes peak then.
- With 23.5% 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
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 Merrimack County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-106 | 3 |
| US-3 | 2 |
| I-93 | 1 |
| SR-11 | 1 |
| South Main Street | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Merrimack County) |
|---|---|
| SR-3A | 9 |
| Dover Rd | 9 |
| N/Everett Tpk | 5 |
| Manchester St | 4 |
| N & Exit 3 | 4 |
| Hooksett Rd | 3 |
| I 89 N Mm 28.6 | 3 |
| I 89 S Mm 21.8 2 Miles N Of Exit 9 | 3 |
Northfield at a glance
| Population | 5,066 |
| Land area | 28.5 sq mi |
| Density | 178 per sq mi |
| Median household income (ZIP 03276) | $82,425 |
| Median home value (ZIP 03276) | $267,682 |
Waste facilities and haulers nearby
Historical data: truck crashes in Merrimack 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 | 33 | — | 0.8 |
| 2000s | 49 | +46% | 1.8 |
| 2010s | 58 | +20% | 1.0 |
| 2020s | 64 | +9% | 1.6 |
In the 1990s about 33 truck crashes a year were reported; in the 2020s, about 64. Reporting coverage also changed between these periods. Fatal large-truck crashes: 1.8 a year in 2016–19, 1.6 a year in 2020–24.
Nearby places
Questions fleets ask about Northfield
How many truck accidents are there in Northfield?
Since 2015, 761 crashes involving commercial trucks were reported in Merrimack County (277 injured, 22 killed).
Where do fatal truck crashes happen most in Northfield?
Since 2015, SR-106 has had the most fatal large-truck crashes within 10 miles of Northfield: 3.
Which month has the most truck crashes in Northfield?
The worst month is February: 12.5% of truck crashes in Merrimack County happen then.
How many garbage truck crashes are there in Northfield?
21 crashes involving garbage or refuse trucks have been reported in Merrimack County since 2015, 2.8% of all truck crashes.
How does Northfield compare with New Hampshire for truck crashes?
The yearly rate is 42.2 truck crashes per 100,000 residents in Merrimack County, vs 30.4 for New Hampshire.
How can I plan a safer truck route in Northfield?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
2026 is a partial year. Updated October 2026.