Big Timber, MT truck route planning & crash data
Plan safer truck routes in Big Timber: commercial truck and garbage truck crashes in Big Timber and Sweet Grass County, dangerous roads, seasonality and route safety data for fleets. Patterns use Sweet Grass County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
0 of 291 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Sweet Grass County compares with Montana
Sweet Grass County against Montana and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Sweet Grass County stands out
Full comparison
| Measure (2015–2025) | Sweet Grass County | Montana | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 675.1 | 64.3 | 49.7 | 10.5× the state |
| Deaths per 100 crashes | 0.7 | 3.8 | 3.4 | 82% below the state |
| Injuries per crash | 0.24 | 0.34 | 0.49 | 29% below the state |
| Garbage-truck share | 0.0% | 0.9% | 2.3% | 100% below the state |
| On snow, slush or ice | 64.9% | 39.4% | 6.2% | 1.6× the state |
| Morning rush (6–10 am) | 29.0% | 22.9% | 23.7% | 1.3× the state |
| In rain, sleet or snow | 26.5% | 20.6% | 13.8% | 1.3× the state |
| Winter months (Nov–Mar) | 66.7% | 54.3% | 41.9% | 1.2× the state |
| After dark | 32.6% | 30.8% | 24.8% | same |
Sweet Grass County has lower values than Montana for deaths per 100 crashes, injuries per crash and garbage-truck share. It runs above Montana on crashes per 100k residents / yr, on snow, slush or ice and morning rush (6–10 am).
What stands out in Sweet Grass County: 0 of truck crashes here involve garbage trucks: 0.0%, vs 0.9% in Montana.
Overview
Sweet Grass County has recorded 291 truck crashes since 2015, with 71 people injured and 2 killed.
Across the years with complete reporting, that is roughly one truck crash every 14 days.
Big Timber had 0 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Sweet Grass County numbers.
92% of truck crash reports in Sweet Grass County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
The worst month is December with 15.5% of truck crashes; the quietest is August at 2.1%.
November through March accounts for 66.7% of truck crashes here, compared with 54.3% in Montana.
The busiest hour is 8–9 am, with 10.0% of truck crashes.
64.9% of truck crashes here happened on snow, slush or ice, against 39.4% across Montana.
Where crashes happen
No fatal crash involving a large truck has a recorded location within 10 miles of Big Timber since 2015.
Garbage & waste trucks
No crashes involving garbage or refuse trucks have been reported in Sweet Grass County since 2015.
Route planning tips for Big Timber fleets
- Review driver schedules for December, the month with the most truck crashes.
- 29.0% of truck crashes happen between 6 and 10 am, above Montana; consider earlier or later starts where possible.
- Icy and snowy roads show up in 64.9% of truck crashes here, more than Montana; schedule winter checks early.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Sweet Grass 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 (Sweet Grass County) |
|---|---|
| Mm368.8 Interstate 90 | 2 |
| Mm378.1 I90W | 2 |
| Mm 16.9 - Us Highway 191 | 1 |
| Mm 365.6 I90 | 1 |
| Mm 376.1 -I90 | 1 |
| Mm24.5 Us 191 | 1 |
| Mm27.5 Us 191 | 1 |
| Mm368.5 I90E | 1 |
Big Timber at a glance
| Population | 1,681 |
| Land area | 1.0 sq mi |
| Density | 1,721 per sq mi |
| Median household income (ZIP 59011) | $78,000 |
| Median home value (ZIP 59011) | $321,248 |
Waste facilities and haulers nearby
Historical data: truck crashes in Sweet Grass 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 |
| 2000s | 11 | — | 0.5 |
| 2010s | 17 | +46% | 0.1 |
| 2020s | 28 | +68% | 0.0 |
Reported truck crashes averaged 11 a year in the 2000s and 28 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting.
Nearby places
Questions fleets ask about Big Timber
How common are truck crashes in Big Timber?
291 truck crashes have been reported in Sweet Grass County since 2015, with 2 deaths and 71 injuries.
When do most truck crashes happen in Big Timber?
The worst month is December: 15.5% of truck crashes in Sweet Grass County happen then.
How many garbage truck accidents happen in Big Timber?
Garbage trucks were involved in 0 reported crashes in Sweet Grass County since 2015 (0.0% of truck crashes).
How do truck crashes in Big Timber compare with Montana?
The yearly rate is 675.1 truck crashes per 100,000 residents in Sweet Grass County, vs 64.3 for Montana.
How can I plan a safer truck route in Big Timber?
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.