Deerfield Colony, MT truck route planning & crash data
Plan safer truck routes in Deerfield Colony: commercial truck and garbage truck crashes in Deerfield Colony and Fergus County, dangerous roads, seasonality and route safety data for fleets. Patterns use Fergus County numbers.
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
No fatal large-truck crashes with a road name recorded here since 2015.
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 has lower values than Montana for 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.
Fergus County at a glance: November worst month: 15.1% of truck crashes, vs 8.3% in an average month.
Overview
Since 2015, 106 crashes involving commercial trucks have been reported in Fergus County. They injured 33 people and killed 1.
In complete reporting years that works out to about one truck crash every 39 days.
Only 0 truck crashes were reported in Deerfield Colony since 2015; patterns below come from Fergus County as a whole.
86% of truck crash reports in Fergus County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
November has the most truck crashes, 15.1% of the yearly total, while June has the fewest (3.8%).
November through March accounts for 46.6% of truck crashes here, compared with 54.3% in 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, no fatal large-truck crashes with a location were recorded within 10 miles of Deerfield Colony.
Garbage & waste trucks
Garbage trucks account for 1 of the truck crashes here, or 0.9%, compared with 0.9% in Montana.
Route planning tips for Deerfield Colony fleets
- Plan November schedules with more margin; it is the worst month for truck crashes in Fergus County.
- 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 Fergus 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 (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 |
Deerfield Colony at a glance
| Land area | 0.6 sq mi |
| Median household income (ZIP 59430) | $76,875 |
| Median home value (ZIP 59430) | $222,528 |
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 |
From the 2000s to the 2020s, yearly reported truck crashes went from 8 to 11. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 0.5 a year in 2016–19, 0.6 a year in 2020–24.
Nearby places
Questions fleets ask about Deerfield Colony
How common are truck crashes in Deerfield Colony?
Fergus County has had 106 reported truck crashes since 2015, injuring 33 people and killing 1.
When do most truck crashes happen in Deerfield Colony?
The worst month is November: 15.1% of truck crashes in Fergus County happen then.
Are garbage truck crashes common in Deerfield Colony?
Since 2015, Fergus County has reported 1 garbage-truck crash, or 0.9% of its truck crashes.
How does Deerfield Colony compare with Montana for truck crashes?
Per 100,000 residents, Fergus County has 78.9 truck crashes a year; Montana has 64.3.
What is the best way to plan truck routes in Deerfield Colony?
Use the free Route Planner: enter your stops to get a risk score, safer alternatives and the low bridges on your route.
2026 is a partial year. Updated October 2026.