Three Forks, MT truck route planning & crash data
Plan safer truck routes in Three Forks: commercial truck and garbage truck crashes in Three Forks and Gallatin County, dangerous roads, seasonality and route safety data for fleets. Patterns use Gallatin County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
20 of 838 truck crashes since 2015.
Deadliest roads
How Gallatin County compares with Montana
Gallatin County against Montana and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Gallatin County stands out
Full comparison
| Measure (2015–2025) | Gallatin County | Montana | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 57.3 | 64.3 | 49.7 | 11% below the state |
| Deaths per 100 crashes | 3.2 | 3.8 | 3.4 | 16% below the state |
| Injuries per crash | 0.32 | 0.34 | 0.49 | same |
| Garbage-truck share | 2.2% | 0.9% | 2.3% | 2.4× the state |
| On snow, slush or ice | 42.2% | 39.4% | 6.2% | 1.1× the state |
| Morning rush (6–10 am) | 21.2% | 22.9% | 23.7% | 7% below the state |
| In rain, sleet or snow | 22.1% | 20.6% | 13.8% | 1.1× the state |
| Winter months (Nov–Mar) | 49.4% | 54.3% | 41.9% | 9% below the state |
| After dark | 28.1% | 30.8% | 24.8% | 9% below the state |
Gallatin County sits below Montana on crashes per 100k residents / yr, deaths per 100 crashes and morning rush (6–10 am). Where it is higher: garbage-truck share, on snow, slush or ice and in rain, sleet or snow.
What stands out in Gallatin County: 1 in 44 of truck crashes here involve garbage trucks: 2.2%, vs 0.9% in Montana.
Overview
Police reported 838 crashes involving commercial trucks in Gallatin County since 2015: 263 people were injured and 26 were killed.
Across the years with complete reporting, that is roughly one truck crash every 5 days.
Only 0 truck crashes were reported in Three Forks since 2015; patterns below come from Gallatin County as a whole.
90% of truck crash reports in Gallatin County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
February has the most truck crashes, 11.5% of the yearly total, while July has the fewest (5.7%).
November through March accounts for 49.4% of truck crashes here, compared with 54.3% in Montana.
The busiest hour is 10–11 am, with 8.6% of truck crashes.
Road surface: 42.2% of truck crashes were on snow, slush or ice (Montana: 39.4%).
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of Three Forks since 2015: I-90 (2). No single road stands out.
Garbage & waste trucks
Garbage trucks account for 20 of the truck crashes here, or 2.4%, compared with 0.9% in Montana.
Garbage-truck crashes peak in December (20% of them).
Route planning tips for Three Forks fleets
- Review driver schedules for February, the month with the most truck crashes.
- For residential and commercial waste routes, look again at December schedules: garbage-truck crashes peak then.
- With 42.2% of truck crashes on snow, slush or ice (above Montana), plan winter equipment checks early.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 Gallatin County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-90 | 2 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Gallatin County) |
|---|---|
| Mm5.9 Mt85 | 3 |
| Cameron Bridge Rd | 2 |
| I-90 | 2 |
| Mm313.9 I90E | 2 |
| Mm316.0 I90 | 2 |
| Mt85 (Jackrabbit Lane) | 2 |
| 63.8 Us-191 | 1 |
| E Main St | 1 |
Three Forks at a glance
| Population | 1,945 |
| Land area | 1.4 sq mi |
| Density | 1,352 per sq mi |
| Median household income (ZIP 59752) | $86,767 |
| Median home value (ZIP 59752) | $435,672 |
Waste facilities and haulers nearby
Historical data: truck crashes in Gallatin 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 | — | 1.7 |
| 2000s | 44 | +13010% | 2.5 |
| 2010s | 44 | +2% | 1.1 |
| 2020s | 81 | +83% | 3.0 |
In the 2000s about 44 truck crashes a year were reported; in the 2020s, about 81. Reporting coverage also changed between these periods. Fatal large-truck crashes: 1.8 a year in 2016–19, 3.0 a year in 2020–24.
Nearby places
Questions fleets ask about Three Forks
How many truck accidents are there in Three Forks?
838 truck crashes have been reported in Gallatin County since 2015, with 26 deaths and 263 injuries.
What is the worst month for truck crashes in Three Forks?
The worst month is February: 11.5% of truck crashes in Gallatin County happen then.
How many garbage truck crashes are there in Three Forks?
Since 2015, Gallatin County has reported 20 garbage-truck crashes, or 2.4% of its truck crashes.
How does Three Forks compare with Montana for truck crashes?
Gallatin County records 57.3 truck crashes per 100,000 residents a year, against 64.3 across Montana.
What is the best way to plan truck routes in Three Forks?
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.