Ulm, MT truck route planning & crash data
Plan safer truck routes in Ulm: commercial truck and garbage truck crashes in Ulm 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
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. Where it is higher: deaths per 100 crashes, garbage-truck share and morning rush (6–10 am).
What stands out in Cascade County: 1 in 65 garbage-truck share of crashes is 1.6%, against 0.9% for Montana.
Overview
Police reported 268 crashes involving commercial trucks in Cascade County since 2015: 74 people were injured and 15 were killed.
Across the years with complete reporting, that is roughly one truck crash every 16 days.
With 0 truck crashes reported in Ulm since 2015, this page uses Cascade County numbers for its patterns and comparisons.
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
The worst month is January with 12.7% of truck crashes; the quietest is April at 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.
36.0% of truck crashes here happened on snow, slush or ice, against 39.4% across Montana.
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of Ulm happened on I-15 (4); no road leads clearly.
Garbage & waste trucks
4 crashes involved a garbage or refuse truck, a 1.5% share (Montana: 0.9%).
Route planning tips for Ulm fleets
- Review driver schedules for January, the month with the most truck crashes.
- The morning rush (6–10 am) holds 27.5% of truck crashes here, more than Montana; adjust start times where you can.
- 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 Cascade County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-15 | 4 |
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 |
Ulm at a glance
| Land area | 20.3 sq mi |
| Median household income (ZIP 59485) | $90,286 |
| Median home value (ZIP 59485) | $305,774 |
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 |
Reported truck crashes averaged 21 a year in the 2000s and 20 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, 2.0 a year in 2020–24.
Nearby places
Questions fleets ask about Ulm
How common are truck crashes in Ulm?
268 truck crashes have been reported in Cascade County since 2015, with 15 deaths and 74 injuries.
Which month has the most truck crashes in Ulm?
Truck crashes in Cascade County peak in January, with 12.7% of the year's crashes.
Are garbage truck crashes common in Ulm?
4 crashes involving garbage or refuse trucks have been reported in Cascade County since 2015, 1.5% of all truck crashes.
How does Ulm compare with Montana for truck crashes?
The yearly rate is 27.7 truck crashes per 100,000 residents in Cascade County, vs 64.3 for Montana.
What is the best way to plan truck routes in Ulm?
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.