ZIP 03304 (Bow, NH) truck route planning & crash data
Plan safer truck routes around ZIP 03304: 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. It runs above New Hampshire on crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice.
What stands out in ZIP 03304: I-93 most fatal truck crashes within 10 miles of ZIP 03304: 4 since 2015.
Overview
Merrimack County has recorded 761 truck crashes since 2015, with 277 people injured and 22 killed.
That averages about one truck crash every 5 days in fully reported years.
When crashes happen
Truck crashes peak in February (12.5% of the year) and are lowest in May (6.6%).
The five winter months (November to March) hold 47.4% of truck crashes, against 47.6% across New Hampshire.
More truck crashes happen at 10–11 am than at any other hour (8.5%).
Road surface: 23.5% of truck crashes were on snow, slush or ice (New Hampshire: 20.2%).
Where crashes happen
I-93 leads within 10 miles of ZIP 03304 with 4 fatal crashes involving a large truck since 2015. It is followed by SR-4 (2) and SR-3A (1).
Garbage & waste trucks
Garbage trucks account for 21 of the truck crashes here, or 2.8%, compared with 4.2% in New Hampshire.
Garbage-truck crashes peak in July (24% of them).
They recorded 0.0 deaths per 100 crashes, against 3.0 for all trucks.
Route planning tips for ZIP 03304 fleets
- Plan February schedules with more margin; it is the worst month for truck crashes in Merrimack County.
- Check whether your routes use I-93, 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.
- 23.5% of truck crashes were on snow, slush or ice, above New Hampshire; plan winter equipment checks before the season.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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) |
|---|---|
| I-93 | 4 |
| SR-4 | 2 |
| SR-3A | 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 |
ZIP 03304 at a glance
| Population | 8,335 |
| Density | 114 per sq mi |
| Median household income | $172,857 |
| Median home value | $517,892 |
| Home ownership | 88% |
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 |
Reported truck crashes averaged 33 a year in the 1990s and 64 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. 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 03304
How many truck crashes happen in ZIP 03304?
Since 2015, 761 crashes involving commercial trucks were reported in Merrimack County (277 injured, 22 killed).
Which road has the most fatal truck crashes in ZIP 03304?
NHTSA data shows I-93 with 4 fatal large-truck crashes within 10 miles of ZIP 03304 since 2015, the highest of any road.
Which month has the most truck crashes in ZIP 03304?
The worst month is February: 12.5% of truck crashes in Merrimack County happen then.
How many garbage truck accidents happen in ZIP 03304?
Since 2015, Merrimack County has reported 21 garbage-truck crashes, or 2.8% of its truck crashes.
What is the truck crash rate in ZIP 03304 compared 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 can I plan a safer truck route in ZIP 03304?
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.