ZIP 03257 (New London, NH) truck route planning & crash data
Plan safer truck routes around ZIP 03257: commercial truck and garbage truck crashes here and in Merrimack County, dangerous roads, seasonality and route safety data for fleets.
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 has lower values than New Hampshire for garbage-truck share. Where it is higher: crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice.
Merrimack County at a glance: February the month with the most truck crashes: 12.5% of the year's total.
Overview
Since 2015, 761 crashes involving commercial trucks have been reported in Merrimack County. They injured 277 people and killed 22.
In complete reporting years that works out to about one truck crash every 5 days.
When crashes happen
The worst month is February with 12.5% of truck crashes; the quietest is May at 6.6%.
Winter months (Nov–Mar) carry 47.4% of truck crashes, vs 47.6% for New Hampshire.
More truck crashes happen at 10–11 am than at any other hour (8.5%).
Snow, slush or ice was on the road in 23.5% of truck crashes, compared with 20.2% in New Hampshire.
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of ZIP 03257 since 2015: SR-11 (2). No single road stands out.
Garbage & waste trucks
Garbage and refuse trucks were involved in 21 crashes, 2.8% of the total, against 4.2% across New Hampshire.
Their busiest month is July, with 24% of garbage-truck crashes.
Per 100 crashes, garbage trucks recorded 0.0 deaths compared with 3.0 for all trucks.
Route planning tips for ZIP 03257 fleets
- Review driver schedules for February, the month with the most truck crashes.
- 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-11 | 2 |
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 |
ZIP 03257 at a glance
| Population | 4,484 |
| Density | 74 per sq mi |
| Median household income | $107,000 |
| Median home value | $560,127 |
| Home ownership | 91% |
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. NHTSA counts 1.8 fatal large-truck crashes a year in 2016–19 and 1.6 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 03257
How many truck crashes happen in ZIP 03257?
Merrimack County has had 761 reported truck crashes since 2015, injuring 277 people and killing 22.
What is the worst month for truck crashes in ZIP 03257?
Truck crashes in Merrimack County peak in February, with 12.5% of the year's crashes.
How many garbage truck accidents happen in ZIP 03257?
Garbage trucks were involved in 21 reported crashes in Merrimack County since 2015 (2.8% of truck crashes).
How do truck crashes in ZIP 03257 compare with New Hampshire?
The yearly rate is 42.2 truck crashes per 100,000 residents in Merrimack County, vs 30.4 for New Hampshire.
How do I plan a garbage truck route in ZIP 03257?
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.