ZIP 03823 (Madbury, NH) truck route planning & crash data
Plan safer truck routes around ZIP 03823: 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. It stands out for higher deaths per 100 crashes, garbage-truck share and morning rush (6–10 am).
What stands out in Strafford County: February worst month: 13.1% of truck crashes, vs 8.3% in an average month.
Overview
Strafford County has recorded 337 truck crashes since 2015, with 126 people injured and 10 killed.
Across the years with complete reporting, that is roughly one truck crash every 12 days.
When crashes happen
Truck crashes peak in February (13.1% of the year) and are lowest in June (5.9%).
The five winter months (November to March) hold 50.3% of truck crashes, against 47.6% across New Hampshire.
More truck crashes happen at 8–9 am than at any other hour (12.8%).
Snow, slush or ice was on the road in 16.8% of truck crashes, compared with 20.2% in New Hampshire.
Where crashes happen
Fatal large-truck crashes within 10 miles of ZIP 03823 since 2015 were spread across roads: Main Street (1), SR-125 (1), SR-202 (1), SR-236 (1) and Spaulding Tpke (1).
Garbage & waste trucks
Garbage trucks account for 19 of the truck crashes here, or 5.6%, compared with 4.2% in New Hampshire.
Route planning tips for ZIP 03823 fleets
- Plan February schedules with more margin; it is the worst month for truck crashes in Strafford County.
- Morning starts matter: 37.2% of truck crashes fall between 6 and 10 am, higher than New Hampshire.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
About the data
Crash counts come from the FMCSA crash file (police-reported crashes involving trucks over 10,000 lb); fatal-crash locations come from NHTSA FARS. Text on this page states only what these numbers show.
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) |
|---|---|
| Main Street | 1 |
| SR-125 | 1 |
| SR-202 | 1 |
| SR-236 | 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 03823 at a glance
| Population | 2,203 |
| Density | 73 per sq mi |
| Median household income | $148,365 |
| Median home value | $475,928 |
| Home ownership | 83% |
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 |
From the 1990s to the 2020s, yearly reported truck crashes went from 15 to 28. Some of the change may reflect how crashes were reported. NHTSA counts 0.8 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 03823
How many truck crashes happen in ZIP 03823?
337 truck crashes have been reported in Strafford County since 2015, with 10 deaths and 126 injuries.
Which month has the most truck crashes in ZIP 03823?
Truck crashes in Strafford County peak in February, with 13.1% of the year's crashes.
How many garbage truck accidents happen in ZIP 03823?
Garbage trucks were involved in 19 reported crashes in Strafford County since 2015 (5.6% of truck crashes).
How does ZIP 03823 compare with New Hampshire for truck crashes?
Strafford County records 22.2 truck crashes per 100,000 residents a year, against 30.4 across New Hampshire.
What is the best way to plan truck routes in ZIP 03823?
The free Route Planner takes your stops and returns a route risk score, safer alternatives and low-bridge warnings.
2026 is a partial year. Updated October 2026.