Isle au Haut, ME truck route planning & crash data
Plan safer truck routes in Isle au Haut: commercial truck and garbage truck crashes in Isle au Haut and Knox County, dangerous roads, seasonality and route safety data for fleets. Patterns use Knox County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
6 of 181 truck crashes since 2015.
Deadliest roads
How Knox County compares with Maine
Knox County against Maine and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Knox County stands out
Full comparison
| Measure (2015–2025) | Knox County | Maine | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 36.6 | 57.4 | 49.7 | 36% below the state |
| Deaths per 100 crashes | 4.2 | 2.6 | 3.4 | 1.6× the state |
| Injuries per crash | 0.64 | 0.58 | 0.49 | 1.1× the state |
| Garbage-truck share | 3.0% | 3.4% | 2.3% | 11% below the state |
| On snow, slush or ice | 12.7% | 20.2% | 6.2% | 37% below the state |
| Morning rush (6–10 am) | 29.7% | 26.5% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 15.2% | 20.8% | 13.8% | 27% below the state |
| Winter months (Nov–Mar) | 39.4% | 48.2% | 41.9% | 18% below the state |
| After dark | 11.5% | 19.1% | 24.8% | 40% below the state |
Compared with Maine, Knox County is lower on crashes per 100k residents / yr, garbage-truck share and on snow, slush or ice. Where it is higher: deaths per 100 crashes, injuries per crash and morning rush (6–10 am).
What stands out in Knox County: 4.2 people killed per 100 truck crashes (Maine: 2.6).
Overview
Since 2015, 181 crashes involving commercial trucks have been reported in Knox County. They injured 109 people and killed 7.
Across the years with complete reporting, that is roughly one truck crash every 24 days.
Only 0 truck crashes were reported in Isle au Haut since 2015; patterns below come from Knox County as a whole.
When crashes happen
The worst month is October with 12.2% of truck crashes; the quietest is September at 5.0%.
November through March accounts for 39.4% of truck crashes here, compared with 48.2% in Maine.
More truck crashes happen at 9–10 am than at any other hour (10.5%).
Road surface: 12.7% of truck crashes were on snow, slush or ice (Maine: 20.2%).
Where crashes happen
Fatal large-truck crashes within 10 miles of Isle au Haut since 2015 were spread across roads: Burnt Cove Rd (1).
Garbage & waste trucks
Garbage trucks account for 6 of the truck crashes here, or 3.3%, compared with 3.4% in Maine.
Route planning tips for Isle au Haut fleets
- Review driver schedules for October, the month with the most truck crashes.
- Morning starts matter: 29.7% of truck crashes fall between 6 and 10 am, higher than Maine.
- 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 Knox County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| Burnt Cove Rd | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Knox County) |
|---|---|
| Augusta Rd | 12 |
| Main St | 12 |
| Camden Rd | 10 |
| Atlantic Hwy | 10 |
| Heald Hwy | 8 |
| Commercial St | 7 |
| Old County Rd | 7 |
| West St | 6 |
Isle au Haut at a glance
| Population | 85 |
| Land area | 12.5 sq mi |
| Density | 7 per sq mi |
| Median household income (ZIP 04645) | $49,500 |
Waste facilities and haulers nearby
Historical data: truck crashes in Knox 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 | 12 | — | 0.4 |
| 2000s | 13 | +11% | 0.5 |
| 2010s | 17 | +26% | 0.3 |
| 2020s | 13 | -25% | 0.4 |
From the 1990s to the 2020s, yearly reported truck crashes went from 12 to 13. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 0.8 a year in 2016–19 and 0.4 a year in 2020–24.
Nearby places
Questions fleets ask about Isle au Haut
How many truck accidents are there in Isle au Haut?
Since 2015, 181 crashes involving commercial trucks were reported in Knox County (109 injured, 7 killed).
When do most truck crashes happen in Isle au Haut?
October has the most truck crashes in Knox County, 12.2% of the yearly total.
How many garbage truck crashes are there in Isle au Haut?
6 crashes involving garbage or refuse trucks have been reported in Knox County since 2015, 3.3% of all truck crashes.
How do truck crashes in Isle au Haut compare with Maine?
Per 100,000 residents, Knox County has 36.6 truck crashes a year; Maine has 57.4.
How can I plan a safer truck route in Isle au Haut?
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.