ZIP 59457 (Lewistown, MT) truck route planning & crash data
Plan safer truck routes around ZIP 59457: commercial truck and garbage truck crashes here and in Fergus 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 106 truck crashes since 2015.
Deadliest roads
How Fergus County compares with Montana
Fergus County against Montana and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Fergus County stands out
Full comparison
| Measure (2015–2025) | Fergus County | Montana | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 78.9 | 64.3 | 49.7 | 1.2× the state |
| Deaths per 100 crashes | 1.0 | 3.8 | 3.4 | 74% below the state |
| Injuries per crash | 0.30 | 0.34 | 0.49 | 12% below the state |
| Garbage-truck share | 1.0% | 0.9% | 2.3% | same |
| On snow, slush or ice | 36.9% | 39.4% | 6.2% | same |
| Morning rush (6–10 am) | 22.3% | 22.9% | 23.7% | same |
| In rain, sleet or snow | 28.2% | 20.6% | 13.8% | 1.4× the state |
| Winter months (Nov–Mar) | 46.6% | 54.3% | 41.9% | 14% below the state |
| After dark | 22.3% | 30.8% | 24.8% | 27% below the state |
Fergus County sits below Montana on deaths per 100 crashes, injuries per crash and winter months (nov–mar). Where it is higher: crashes per 100k residents / yr and in rain, sleet or snow.
The headline for Fergus County: November 15.1% of truck crashes happen in November, more than any other month.
Overview
Police reported 106 crashes involving commercial trucks in Fergus County since 2015: 33 people were injured and 1 were killed.
That averages about one truck crash every 39 days in fully reported years.
When crashes happen
Truck crashes peak in November (15.1% of the year) and are lowest in June (3.8%).
Winter months (Nov–Mar) carry 46.6% of truck crashes, vs 54.3% for Montana.
The busiest hour is 2–3 pm, with 11.3% of truck crashes.
Snow, slush or ice was on the road in 36.9% of truck crashes, compared with 39.4% in Montana.
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of ZIP 59457 happened on US-87 (1); no road leads clearly.
Garbage & waste trucks
1 crash involved a garbage or refuse truck, a 0.9% share (Montana: 0.9%).
Route planning tips for ZIP 59457 fleets
- Review driver schedules for November, the month with the most truck crashes.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Fergus County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-87 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Fergus County) |
|---|---|
| Mm 18.9 Us Hwy 191 | 1 |
| Mm 33.4 Us Highway 191 | 1 |
| Mm 84.5 Us 191N | 1 |
| Mm25.9 Sec 426 Hanover Rd | 1 |
| Sipple Rd | 1 |
ZIP 59457 at a glance
| Population | 9,135 |
| Density | 4 per sq mi |
| Median household income | $64,762 |
| Median home value | $240,507 |
| Home ownership | 60% |
Waste facilities and haulers nearby
Historical data: truck crashes in Fergus 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 | — | 0.2 |
| 2000s | 8 | +5430% | 0.4 |
| 2010s | 5 | -34% | 0.4 |
| 2020s | 11 | +115% | 0.6 |
Reported truck crashes averaged 8 a year in the 2000s and 11 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 0.5 a year in 2016–19, 0.6 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 59457
How many truck crashes happen in ZIP 59457?
106 truck crashes have been reported in Fergus County since 2015, with 1 deaths and 33 injuries.
Which month has the most truck crashes in ZIP 59457?
Truck crashes in Fergus County peak in November, with 15.1% of the year's crashes.
How many garbage truck accidents happen in ZIP 59457?
Since 2015, Fergus County has reported 1 garbage-truck crash, or 0.9% of its truck crashes.
How does ZIP 59457 compare with Montana for truck crashes?
Per 100,000 residents, Fergus County has 78.9 truck crashes a year; Montana has 64.3.
How can I plan a safer truck route in ZIP 59457?
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.