ZIP 59821 (Arlee, MT) truck route planning & crash data
Plan safer truck routes around ZIP 59821: commercial truck and garbage truck crashes here and in Missoula 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
1 of 402 truck crashes since 2015.
Deadliest roads
How Missoula County compares with Montana
Missoula County against Montana and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Missoula County stands out
Full comparison
| Measure (2015–2025) | Missoula County | Montana | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 28.4 | 64.3 | 49.7 | 56% below the state |
| Deaths per 100 crashes | 3.7 | 3.8 | 3.4 | same |
| Injuries per crash | 0.30 | 0.34 | 0.49 | 12% below the state |
| Garbage-truck share | 0.3% | 0.9% | 2.3% | 72% below the state |
| On snow, slush or ice | 33.4% | 39.4% | 6.2% | 15% below the state |
| Morning rush (6–10 am) | 20.4% | 22.9% | 23.7% | 11% below the state |
| In rain, sleet or snow | 19.8% | 20.6% | 13.8% | same |
| Winter months (Nov–Mar) | 48.0% | 54.3% | 41.9% | 12% below the state |
| After dark | 35.2% | 30.8% | 24.8% | 1.1× the state |
Missoula County sits below Montana on crashes per 100k residents / yr, injuries per crash and garbage-truck share. It runs above Montana on after dark.
Missoula County at a glance: 1 in 385 garbage-truck share of crashes is 0.3%, against 0.9% for Montana.
Overview
Since 2015, 402 crashes involving commercial trucks have been reported in Missoula County. They injured 121 people and killed 14.
That averages about one truck crash every 10 days in fully reported years.
When crashes happen
Truck crashes peak in December (12.7% of the year) and are lowest in March (5.2%).
The five winter months (November to March) hold 48.0% of truck crashes, against 54.3% across Montana.
By time of day, 8–9 am stands out with 7.7% of truck crashes.
Road surface: 33.4% of truck crashes were on snow, slush or ice (Montana: 39.4%).
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of ZIP 59821 since 2015: US-93 (2). No single road stands out.
Garbage & waste trucks
Garbage trucks account for 1 of the truck crashes here, or 0.2%, compared with 0.9% in Montana.
Route planning tips for ZIP 59821 fleets
- Review driver schedules for December, the month with the most truck crashes.
- 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 Missoula County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-93 | 2 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Missoula County) |
|---|---|
| Brooks And Higgins | 1 |
| Brow Tine Drive | 1 |
| Gn2963 | 1 |
| Gn770 | 1 |
| I-90 | 1 |
| Mm 110.3 I-90 | 1 |
| Mm 113.2 I-90 | 1 |
| Mm 123.1 I-90 | 1 |
ZIP 59821 at a glance
| Population | 2,994 |
| Density | 4 per sq mi |
| Median household income | $66,458 |
| Median home value | $357,347 |
| Home ownership | 76% |
Waste facilities and haulers nearby
Historical data: truck crashes in Missoula 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 | 1 | — | 1.3 |
| 2000s | 38 | +5570% | 1.7 |
| 2010s | 31 | -18% | 0.6 |
| 2020s | 34 | +9% | 1.6 |
Reported truck crashes averaged 1 a year in the 1990s and 34 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 1.0 a year in 2016–19, 1.6 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 59821
How many truck accidents are there in ZIP 59821?
Since 2015, 402 crashes involving commercial trucks were reported in Missoula County (121 injured, 14 killed).
What is the worst month for truck crashes in ZIP 59821?
The worst month is December: 12.7% of truck crashes in Missoula County happen then.
How many garbage truck accidents happen in ZIP 59821?
Garbage trucks were involved in 1 reported crash in Missoula County since 2015 (0.2% of truck crashes).
How do truck crashes in ZIP 59821 compare with Montana?
The yearly rate is 28.4 truck crashes per 100,000 residents in Missoula County, vs 64.3 for Montana.
What is the best way to plan truck routes in ZIP 59821?
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.