ZIP 03603 (Charlestown, NH) truck route planning & crash data
Plan safer truck routes around ZIP 03603: commercial truck and garbage truck crashes here and in Sullivan 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
2 of 127 truck crashes since 2015.
Deadliest roads
How Sullivan County compares with New Hampshire
Sullivan County against New Hampshire and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Sullivan County stands out
Full comparison
| Measure (2015–2025) | Sullivan County | New Hampshire | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 25.4 | 30.4 | 49.7 | 16% below the state |
| Deaths per 100 crashes | 8.1 | 2.6 | 3.4 | 3.1× the state |
| Injuries per crash | 0.50 | 0.39 | 0.49 | 1.3× the state |
| Garbage-truck share | 1.6% | 4.2% | 2.3% | 61% below the state |
| On snow, slush or ice | 30.1% | 20.2% | 6.2% | 1.5× the state |
| Morning rush (6–10 am) | 27.6% | 29.3% | 23.7% | same |
| In rain, sleet or snow | 31.7% | 22.8% | 13.8% | 1.4× the state |
| Winter months (Nov–Mar) | 56.1% | 47.6% | 41.9% | 1.2× the state |
| After dark | 11.4% | 16.3% | 24.8% | 30% below the state |
Sullivan County sits below New Hampshire on crashes per 100k residents / yr, garbage-truck share and after dark. It stands out for higher deaths per 100 crashes, injuries per crash and on snow, slush or ice.
Sullivan County at a glance: 8.1 deaths for every 100 truck crashes, against 2.6 across New Hampshire.
Overview
Sullivan County has recorded 127 truck crashes since 2015, with 62 people injured and 10 killed.
That averages about one truck crash every 33 days in fully reported years.
When crashes happen
Truck crashes peak in March (15.0% of the year) and are lowest in August (2.4%).
The five winter months (November to March) hold 56.1% of truck crashes, against 47.6% across New Hampshire.
The busiest hour is 1–2 pm, with 11.0% of truck crashes.
Road surface: 30.1% of truck crashes were on snow, slush or ice (New Hampshire: 20.2%).
Where crashes happen
Within this area, SR-12 had the most fatal crashes involving a large truck since 2015 (3). Next come SR-11 (1), SR-123 (1) and SR-12A (1).
Garbage & waste trucks
2 crashes involved a garbage or refuse truck, a 1.6% share (New Hampshire: 4.2%).
Route planning tips for ZIP 03603 fleets
- Plan March schedules with more margin; it is the worst month for truck crashes in Sullivan County.
- Look at alternatives to SR-12 at busy times: it leads this area in fatal truck crashes.
- With 30.1% of truck crashes on snow, slush or ice (above New Hampshire), plan winter equipment 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 Sullivan County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-12 | 3 |
| SR-11 | 1 |
| SR-123 | 1 |
| SR-12A | 1 |
| Ts- 5 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Sullivan County) |
|---|---|
| S Main St | 4 |
| Main St | 3 |
| Bellows Falls Rd | 2 |
| Ft S Of 89 N & 47.4 | 2 |
| Intersection Of 2Nd Nh Tpk & Nh Rt 10 | 2 |
| N Mm 40 | 2 |
| Sunapee St | 2 |
| Washington St | 2 |
ZIP 03603 at a glance
| Population | 5,238 |
| Density | 46 per sq mi |
| Median household income | $56,731 |
| Median home value | $230,936 |
| Home ownership | 81% |
Waste facilities and haulers nearby
Historical data: truck crashes in Sullivan 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 | 9 | — | 0.5 |
| 2000s | 10 | +11% | 0.4 |
| 2010s | 11 | +11% | 0.3 |
| 2020s | 13 | +20% | 0.8 |
Reported truck crashes averaged 9 a year in the 1990s and 13 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 0.5 a year in 2016–19, 0.8 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 03603
How many truck crashes happen in ZIP 03603?
Since 2015, 127 crashes involving commercial trucks were reported in Sullivan County (62 injured, 10 killed).
Where do fatal truck crashes happen most in ZIP 03603?
NHTSA data shows SR-12 with 3 fatal large-truck crashes within 10 miles of ZIP 03603 since 2015, the highest of any road.
What is the worst month for truck crashes in ZIP 03603?
March has the most truck crashes in Sullivan County, 15.0% of the yearly total.
How many garbage truck crashes are there in ZIP 03603?
Since 2015, Sullivan County has reported 2 garbage-truck crashes, or 1.6% of its truck crashes.
How does ZIP 03603 compare with New Hampshire for truck crashes?
Sullivan County records 25.4 truck crashes per 100,000 residents a year, against 30.4 across New Hampshire.
How can I plan a safer truck route in ZIP 03603?
Use the free Route Planner: enter your stops to get a risk score, safer alternatives and the low bridges on your route.
2026 is a partial year. Updated October 2026.