ZIP 03237 (Gilmanton, NH) truck route planning & crash data
Plan safer truck routes around ZIP 03237: commercial truck and garbage truck crashes here and in Belknap 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
11 of 211 truck crashes since 2015.
Deadliest roads
How Belknap County compares with New Hampshire
Belknap County against New Hampshire and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Belknap County stands out
Full comparison
| Measure (2015–2025) | Belknap County | New Hampshire | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 28.6 | 30.4 | 49.7 | same |
| Deaths per 100 crashes | 3.9 | 2.6 | 3.4 | 1.5× the state |
| Injuries per crash | 0.37 | 0.39 | 0.49 | same |
| Garbage-truck share | 5.4% | 4.2% | 2.3% | 1.3× the state |
| On snow, slush or ice | 27.8% | 20.2% | 6.2% | 1.4× the state |
| Morning rush (6–10 am) | 31.7% | 29.3% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 21.5% | 22.8% | 13.8% | same |
| Winter months (Nov–Mar) | 48.8% | 47.6% | 41.9% | same |
| After dark | 11.7% | 16.3% | 24.8% | 28% below the state |
Belknap County has lower values than New Hampshire for after dark. It runs above New Hampshire on deaths per 100 crashes, garbage-truck share and on snow, slush or ice.
Belknap County at a glance: December the month with the most truck crashes: 13.7% of the year's total.
Overview
Since 2015, 211 crashes involving commercial trucks have been reported in Belknap County. They injured 82 people and killed 8.
That averages about one truck crash every 20 days in fully reported years.
When crashes happen
The worst month is December with 13.7% of truck crashes; the quietest is April at 3.8%.
The five winter months (November to March) hold 48.8% of truck crashes, against 47.6% across New Hampshire.
By time of day, 7–8 am stands out with 11.8% of truck crashes.
Snow, slush or ice was on the road in 27.8% of truck crashes, compared with 20.2% in New Hampshire.
Where crashes happen
The deadliest road for trucks within 10 miles of ZIP 03237 is SR-106, with 3 fatal large-truck crashes since 2015. After it: SR-11A (2), US-3 (2) and SR-11 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 11 crashes, 5.2% of the total, against 4.2% across New Hampshire.
Route planning tips for ZIP 03237 fleets
- Review driver schedules for December, the month with the most truck crashes.
- Where you can, review stops along SR-106; it has the most fatal large-truck crashes nearby.
- The morning rush (6–10 am) holds 31.7% of truck crashes here, more than New Hampshire; adjust start times where you can.
- With 27.8% of truck crashes on snow, slush or ice (above New Hampshire), plan winter equipment checks early.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
About the data
Sources: the FMCSA crash file for all reported truck crashes and NHTSA FARS for fatal crashes with a large truck. Every statement here comes straight from those numbers.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Belknap County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-106 | 3 |
| SR-11A | 2 |
| US-3 | 2 |
| SR-11 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Belknap County) |
|---|---|
| Laconia Rd | 8 |
| SR-104 | 3 |
| Gilford Ave & Gunstock Hill Rd | 2 |
| I 93 Mm 70.6 | 2 |
| Intersection Of Route 104 & I-93N | 2 |
| Intersection Of Route 3 And Route 25B | 2 |
| Laconia Rd @ 5 Tilton Rd | 2 |
| Miles S Of 93 N & 23 | 2 |
ZIP 03237 at a glance
| Population | 2,575 |
| Density | 26 per sq mi |
| Median household income | $111,359 |
| Median home value | $358,127 |
| Home ownership | 99% |
Waste facilities and haulers nearby
Historical data: truck crashes in Belknap 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 | 11 | — | 0.1 |
| 2000s | 18 | +67% | 0.8 |
| 2010s | 18 | -1% | 0.5 |
| 2020s | 18 | +3% | 0.8 |
Reported truck crashes averaged 11 a year in the 1990s and 18 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 1.0 fatal large-truck crashes a year in 2016–19 and 0.8 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 03237
How many truck accidents are there in ZIP 03237?
Since 2015, 211 crashes involving commercial trucks were reported in Belknap County (82 injured, 8 killed).
What is the most dangerous road for trucks in ZIP 03237?
NHTSA data shows SR-106 with 3 fatal large-truck crashes within 10 miles of ZIP 03237 since 2015, the highest of any road.
Which month has the most truck crashes in ZIP 03237?
Truck crashes in Belknap County peak in December, with 13.7% of the year's crashes.
Are garbage truck crashes common in ZIP 03237?
11 crashes involving garbage or refuse trucks have been reported in Belknap County since 2015, 5.2% of all truck crashes.
How does ZIP 03237 compare with New Hampshire for truck crashes?
The yearly rate is 28.6 truck crashes per 100,000 residents in Belknap County, vs 30.4 for New Hampshire.
How do I plan a garbage truck route in ZIP 03237?
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.