ZIP 03224 (Canterbury, NH) truck route planning & crash data
Plan safer truck routes around ZIP 03224: 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 |
Compared with New Hampshire, Merrimack County is lower on 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 worst month: 12.5% of truck crashes, vs 8.3% in an average month.
Overview
Merrimack County has recorded 761 truck crashes since 2015, with 277 people injured and 22 killed.
In complete reporting years that works out to about one truck crash every 5 days.
When crashes happen
February has the most truck crashes, 12.5% of the yearly total, while May has the fewest (6.6%).
Winter months (Nov–Mar) carry 47.4% of truck crashes, vs 47.6% for 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
Since 2015, fatal crashes with a large truck within 10 miles of ZIP 03224 happened on SR-106 (2), SR-4 (2), I-93 (1), South Main Street (1) and US-3 (1); no road leads clearly.
Garbage & waste trucks
Garbage trucks account for 21 of the truck crashes here, or 2.8%, compared with 4.2% in New Hampshire.
The most garbage-truck crashes happen in July (24%).
Deaths per 100 garbage-truck crashes: 0.0, vs 3.0 for all truck crashes.
Route planning tips for ZIP 03224 fleets
- Plan February schedules with more margin; it is the worst month for truck crashes in Merrimack County.
- For residential and commercial waste routes, look again at July schedules: garbage-truck crashes peak then.
- Icy and snowy roads show up in 23.5% of truck crashes here, more than New Hampshire; schedule winter checks early.
- 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) |
|---|---|
| SR-106 | 2 |
| SR-4 | 2 |
| I-93 | 1 |
| South Main Street | 1 |
| US-3 | 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 03224 at a glance
| Population | 2,392 |
| Density | 22 per sq mi |
| Median household income | $138,125 |
| Median home value | $438,452 |
| Home ownership | 94% |
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 03224
How many truck crashes happen in ZIP 03224?
761 truck crashes have been reported in Merrimack County since 2015, with 22 deaths and 277 injuries.
What is the worst month for truck crashes in ZIP 03224?
Truck crashes in Merrimack County peak in February, with 12.5% of the year's crashes.
How many garbage truck crashes are there in ZIP 03224?
Garbage trucks were involved in 21 reported crashes in Merrimack County since 2015 (2.8% of truck crashes).
How do truck crashes in ZIP 03224 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 03224?
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.