Sun River, MT truck route planning & crash data
Plan safer truck routes in Sun River: commercial truck and garbage truck crashes in Sun River and Cascade County, dangerous roads, seasonality and route safety data for fleets. Patterns use Cascade County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
4 of 268 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Cascade County compares with Montana
Cascade County against Montana and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Cascade County stands out
Full comparison
| Measure (2015–2025) | Cascade County | Montana | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 27.7 | 64.3 | 49.7 | 57% below the state |
| Deaths per 100 crashes | 5.8 | 3.8 | 3.4 | 1.5× the state |
| Injuries per crash | 0.28 | 0.34 | 0.49 | 18% below the state |
| Garbage-truck share | 1.6% | 0.9% | 2.3% | 1.7× the state |
| On snow, slush or ice | 36.0% | 39.4% | 6.2% | 8% below the state |
| Morning rush (6–10 am) | 27.5% | 22.9% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 21.3% | 20.6% | 13.8% | same |
| Winter months (Nov–Mar) | 55.0% | 54.3% | 41.9% | same |
| After dark | 28.3% | 30.8% | 24.8% | 8% below the state |
Compared with Montana, Cascade County is lower on crashes per 100k residents / yr, injuries per crash and on snow, slush or ice. It runs above Montana on deaths per 100 crashes, garbage-truck share and morning rush (6–10 am).
What stands out in Cascade County: 1 in 65 of truck crashes here involve garbage trucks: 1.6%, vs 0.9% in Montana.
Overview
Since 2015, 268 crashes involving commercial trucks have been reported in Cascade County. They injured 74 people and killed 15.
Across the years with complete reporting, that is roughly one truck crash every 16 days.
Only 0 truck crashes were reported in Sun River since 2015; patterns below come from Cascade County as a whole.
87% of truck crash reports in Cascade County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
Truck crashes peak in January (12.7% of the year) and are lowest in April (4.1%).
Winter months (Nov–Mar) carry 55.0% of truck crashes, vs 54.3% for Montana.
The busiest hour is 9–10 am, with 10.1% of truck crashes.
Road surface: 36.0% of truck crashes were on snow, slush or ice (Montana: 39.4%).
Where crashes happen
No fatal crash involving a large truck has a recorded location within 10 miles of Sun River since 2015.
Garbage & waste trucks
Garbage trucks account for 4 of the truck crashes here, or 1.5%, compared with 0.9% in Montana.
Route planning tips for Sun River fleets
- Build extra time into January routes: it has the most truck crashes here.
- 27.5% of truck crashes happen between 6 and 10 am, above Montana; consider earlier or later starts where possible.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Cascade 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 (Cascade County) |
|---|---|
| Mm 1.9 Us Highway 87E | 2 |
| 23Rd St S & 10Th Ave | 1 |
| 87.5 Eb Us Hwy 87/89E | 1 |
| I-15 Nb Mp 278 | 1 |
| I-15 Sb Mp 254 | 1 |
| Lower River Rd | 1 |
| Mm 5.4 Us Highway 89/Montana 200 | 1 |
| Mm 59.6 Us 89S | 1 |
Sun River at a glance
| Land area | 1.9 sq mi |
| Median household income (ZIP 59483) | $97,813 |
| Median home value (ZIP 59483) | $469,413 |
Waste facilities and haulers nearby
Historical data: truck crashes in Cascade 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 | — | — | 0.6 |
| 2000s | 21 | — | 0.4 |
| 2010s | 25 | +19% | 0.7 |
| 2020s | 20 | -19% | 2.0 |
From the 2000s to the 2020s, yearly reported truck crashes went from 21 to 20. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 1.0 a year in 2016–19 and 2.0 a year in 2020–24.
Nearby places
Questions fleets ask about Sun River
How many truck crashes happen in Sun River?
Since 2015, 268 crashes involving commercial trucks were reported in Cascade County (74 injured, 15 killed).
What is the worst month for truck crashes in Sun River?
The worst month is January: 12.7% of truck crashes in Cascade County happen then.
Are garbage truck crashes common in Sun River?
Since 2015, Cascade County has reported 4 garbage-truck crashes, or 1.5% of its truck crashes.
How does Sun River compare with Montana for truck crashes?
Per 100,000 residents, Cascade County has 27.7 truck crashes a year; Montana has 64.3.
How do I plan a garbage truck route in Sun River?
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.