ZIP 59275 (Westby, MT) truck route planning & crash data
Plan safer truck routes around ZIP 59275: commercial truck and garbage truck crashes here and in Sheridan 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 23 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
The headline for Sheridan County: January worst month: 17.4% of truck crashes, vs 8.3% in an average month.
Overview
Since 2015, 23 crashes involving commercial trucks have been reported in Sheridan County. They injured 8 people and killed 1.
In complete reporting years that works out to about one truck crash every 223 days.
When crashes happen
January has the most truck crashes, 17.4% of the yearly total, while March has the fewest (0.0%).
More truck crashes happen at 3–4 pm than at any other hour (21.7%).
Where crashes happen
NHTSA lists no located fatal large-truck crashes within 10 miles of ZIP 59275 since 2015.
Garbage & waste trucks
Garbage trucks account for 1 of the truck crashes here, or 4.3%, compared with 0.9% in Montana.
Route planning tips for ZIP 59275 fleets
- Review driver schedules for January, 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
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 Sheridan County
By hour of day
Most dangerous roads for trucks
No fatal crashes involving a large truck with a road name were recorded within 10 miles since 2015.
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Sheridan County) |
|---|---|
| E Comertown Rd | 1 |
| Highway 16 Mile Marker 67 | 1 |
| Highway 16 South | 1 |
| Mm 10 Highway 16 | 1 |
| SR-16 | 1 |
ZIP 59275 at a glance
| Population | 436 |
| Density | 0 per sq mi |
| Median household income | $49,141 |
| Median home value | $82,996 |
| Home ownership | 91% |
Waste facilities and haulers nearby
Historical data: truck crashes in Sheridan 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 | — | — | 0.0 |
| 2000s | 2 | — | 0.0 |
| 2010s | 2 | +7% | 0.1 |
| 2020s | 2 | -33% | 0.0 |
From the 2000s to the 2020s, yearly reported truck crashes went from 2 to 2. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 0.2 a year in 2016–19 and 0.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 59275
How many truck crashes happen in ZIP 59275?
Sheridan County has had 23 reported truck crashes since 2015, injuring 8 people and killing 1.
Which month has the most truck crashes in ZIP 59275?
The worst month is January: 17.4% of truck crashes in Sheridan County happen then.
How many garbage truck accidents happen in ZIP 59275?
Since 2015, Sheridan County has reported 1 garbage-truck crash, or 4.3% of its truck crashes.
How can I plan a safer truck route in ZIP 59275?
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.