Gibson Flats, MT truck route planning & crash data
Plan safer truck routes in Gibson Flats: commercial truck and garbage truck crashes in Gibson Flats 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 |
Cascade County has lower values than Montana for 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).
The headline for Cascade County: 1 in 65 crashes involve a garbage truck (4 since 2015), vs 0.9% across Montana.
Overview
Since 2015, 268 crashes involving commercial trucks have been reported in Cascade County. They injured 74 people and killed 15.
In complete reporting years that works out to about one truck crash every 16 days.
Only 0 truck crashes were reported in Gibson Flats 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
January has the most truck crashes, 12.7% of the yearly total, while April has the fewest (4.1%).
The five winter months (November to March) hold 55.0% of truck crashes, against 54.3% across Montana.
More truck crashes happen at 9–10 am than at any other hour (10.1%).
Snow, slush or ice was on the road in 36.0% of truck crashes, compared with 39.4% in Montana.
Where crashes happen
Fatal large-truck crashes within 10 miles of Gibson Flats since 2015 were spread across roads: I-15 (3), US-87 (3), Central Ave W (1), Lr- Central Ave W (1) and US-89 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 4 crashes, 1.5% of the total, against 0.9% across Montana.
Route planning tips for Gibson Flats fleets
- Plan January schedules with more margin; it is the worst month for truck crashes in Cascade County.
- The morning rush (6–10 am) holds 27.5% of truck crashes here, more than Montana; adjust start times where you can.
- 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
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-15 | 3 |
| US-87 | 3 |
| Central Ave W | 1 |
| Lr- Central Ave W | 1 |
| US-89 | 1 |
| Us-Hwy 87 | 1 |
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 |
Gibson Flats at a glance
| Land area | 3.3 sq mi |
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 Gibson Flats
How many truck crashes happen in Gibson Flats?
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 Gibson Flats?
January has the most truck crashes in Cascade County, 12.7% of the yearly total.
Are garbage truck crashes common in Gibson Flats?
4 crashes involving garbage or refuse trucks have been reported in Cascade County since 2015, 1.5% of all truck crashes.
How does Gibson Flats compare with Montana for truck crashes?
Per 100,000 residents, Cascade County has 27.7 truck crashes a year; Montana has 64.3.
What is the best way to plan truck routes in Gibson Flats?
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.