ZIP 03820 (Dover, NH) truck route planning & crash data
Plan safer truck routes around ZIP 03820: commercial truck and garbage truck crashes here and in Strafford 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
19 of 337 truck crashes since 2015.
Deadliest roads
How Strafford County compares with New Hampshire
Strafford County against New Hampshire and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Strafford County stands out
Full comparison
| Measure (2015–2025) | Strafford County | New Hampshire | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 22.2 | 30.4 | 49.7 | 27% below the state |
| Deaths per 100 crashes | 3.0 | 2.6 | 3.4 | 1.2× the state |
| Injuries per crash | 0.35 | 0.39 | 0.49 | 10% below the state |
| Garbage-truck share | 5.8% | 4.2% | 2.3% | 1.4× the state |
| On snow, slush or ice | 16.8% | 20.2% | 6.2% | 17% below the state |
| Morning rush (6–10 am) | 37.2% | 29.3% | 23.7% | 1.3× the state |
| In rain, sleet or snow | 21.3% | 22.8% | 13.8% | same |
| Winter months (Nov–Mar) | 50.3% | 47.6% | 41.9% | same |
| After dark | 12.2% | 16.3% | 24.8% | 25% below the state |
Strafford County sits below New Hampshire on crashes per 100k residents / yr, injuries per crash and on snow, slush or ice. Where it is higher: deaths per 100 crashes, garbage-truck share and morning rush (6–10 am).
ZIP 03820 at a glance: I-95 5 fatal truck crashes since 2015, more than any other road within 10 miles of ZIP 03820.
Overview
Since 2015, 337 crashes involving commercial trucks have been reported in Strafford County. They injured 126 people and killed 10.
That averages about one truck crash every 12 days in fully reported years.
When crashes happen
Truck crashes peak in February (13.1% of the year) and are lowest in June (5.9%).
Winter months (Nov–Mar) carry 50.3% of truck crashes, vs 47.6% for New Hampshire.
By time of day, 8–9 am stands out with 12.8% of truck crashes.
Road surface: 16.8% of truck crashes were on snow, slush or ice (New Hampshire: 20.2%).
Where crashes happen
The deadliest road for trucks within 10 miles of ZIP 03820 is I-95, with 5 fatal large-truck crashes since 2015. After it: Main Street (1), SR-125 (1) and SR-202 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 19 crashes, 5.6% of the total, against 4.2% across New Hampshire.
Route planning tips for ZIP 03820 fleets
- Review driver schedules for February, the month with the most truck crashes.
- Where you can, review stops along I-95; it has the most fatal large-truck crashes nearby.
- The morning rush (6–10 am) holds 37.2% of truck crashes here, more than New Hampshire; adjust start times where you can.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Strafford County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-95 | 5 |
| Main Street | 1 |
| SR-125 | 1 |
| SR-202 | 1 |
| SR-236 | 1 |
| SR-33 | 1 |
| Spaulding Tpke | 1 |
| US-4 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Strafford County) |
|---|---|
| Calef Hwy | 10 |
| Farmington Rd | 5 |
| Haven Hill Rd | 4 |
| Intersection Of Calef Hwy And Concord Rd | 4 |
| Concord Rd | 3 |
| Gonic Rd | 3 |
| SR-16 | 3 |
| Tebbetts Rd @ 284 Pickering Rd | 3 |
ZIP 03820 at a glance
| Population | 33,440 |
| Density | 473 per sq mi |
| Median household income | $94,897 |
| Median home value | $433,001 |
| Home ownership | 53% |
Waste facilities and haulers nearby
Historical data: truck crashes in Strafford 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 | 15 | — | 1.1 |
| 2000s | 28 | +84% | 1.1 |
| 2010s | 26 | -8% | 0.9 |
| 2020s | 28 | +9% | 0.8 |
In the 1990s about 15 truck crashes a year were reported; in the 2020s, about 28. Reporting coverage also changed between these periods. Fatal crashes involving a large truck averaged 0.8 a year in 2016–19 and 0.8 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 03820
How many truck crashes happen in ZIP 03820?
Strafford County has had 337 reported truck crashes since 2015, injuring 126 people and killing 10.
Which road has the most fatal truck crashes in ZIP 03820?
Since 2015, I-95 has had the most fatal large-truck crashes within 10 miles of ZIP 03820: 5.
Which month has the most truck crashes in ZIP 03820?
February has the most truck crashes in Strafford County, 13.1% of the yearly total.
How many garbage truck accidents happen in ZIP 03820?
19 crashes involving garbage or refuse trucks have been reported in Strafford County since 2015, 5.6% of all truck crashes.
How does ZIP 03820 compare with New Hampshire for truck crashes?
Per 100,000 residents, Strafford County has 22.2 truck crashes a year; New Hampshire has 30.4.
What is the best way to plan truck routes in ZIP 03820?
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.