Custer, MT truck route planning & crash data
Plan safer truck routes in Custer: commercial truck and garbage truck crashes in Custer and Yellowstone County, dangerous roads, seasonality and route safety data for fleets. Patterns use Yellowstone County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
14 of 668 truck crashes since 2015.
Deadliest roads
How Yellowstone County compares with Montana
Yellowstone County against Montana and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Yellowstone County stands out
Full comparison
| Measure (2015–2025) | Yellowstone County | Montana | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 33.4 | 64.3 | 49.7 | 48% below the state |
| Deaths per 100 crashes | 3.8 | 3.8 | 3.4 | same |
| Injuries per crash | 0.37 | 0.34 | 0.49 | 1.1× the state |
| Garbage-truck share | 2.2% | 0.9% | 2.3% | 2.4× the state |
| On snow, slush or ice | 32.5% | 39.4% | 6.2% | 18% below the state |
| Morning rush (6–10 am) | 24.9% | 22.9% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 20.9% | 20.6% | 13.8% | same |
| Winter months (Nov–Mar) | 53.4% | 54.3% | 41.9% | same |
| After dark | 26.2% | 30.8% | 24.8% | 15% below the state |
Yellowstone County sits below Montana on crashes per 100k residents / yr, on snow, slush or ice and after dark. It runs above Montana on injuries per crash, garbage-truck share and morning rush (6–10 am).
Yellowstone County at a glance: 1 in 45 crashes involve a garbage truck (14 since 2015), vs 0.9% across Montana.
Overview
Yellowstone County has recorded 668 truck crashes since 2015, with 245 people injured and 24 killed.
In complete reporting years that works out to about one truck crash every 6 days.
With 0 truck crashes reported in Custer since 2015, this page uses Yellowstone County numbers for its patterns and comparisons.
88% of truck crash reports in Yellowstone County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
The worst month is February with 14.4% of truck crashes; the quietest is June at 5.1%.
Winter months (Nov–Mar) carry 53.4% of truck crashes, vs 54.3% for Montana.
By time of day, 9–10 am stands out with 8.4% of truck crashes.
32.5% of truck crashes here happened on snow, slush or ice, against 39.4% across Montana.
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of Custer since 2015: I-94 (1). No single road stands out.
Garbage & waste trucks
14 crashes involved a garbage or refuse truck, a 2.1% share (Montana: 0.9%).
Route planning tips for Custer fleets
- Build extra time into February routes: it has the most truck crashes here.
- The morning rush (6–10 am) holds 24.9% 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
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 Yellowstone County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-94 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Yellowstone County) |
|---|---|
| Johnson Ln | 2 |
| Mile 460.4 I-90W | 2 |
| Mm 458.2 I-90 | 2 |
| Mm455.7 I-90E | 2 |
| Mm468.5 I90W | 2 |
| Mm47.7 I-94 | 2 |
| An21317 | 1 |
| Fin6193 | 1 |
Custer at a glance
| Land area | 0.3 sq mi |
| Median household income (ZIP 59024) | $78,125 |
Waste facilities and haulers nearby
Historical data: truck crashes in Yellowstone 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 | 1 | — | 1.6 |
| 2000s | 50 | +6956% | 1.4 |
| 2010s | 53 | +5% | 1.6 |
| 2020s | 56 | +6% | 2.6 |
In the 1990s about 1 truck crash a year were reported; in the 2020s, about 56. Reporting coverage also changed between these periods. Fatal crashes involving a large truck averaged 1.8 a year in 2016–19 and 2.6 a year in 2020–24.
Nearby places
Questions fleets ask about Custer
How many truck crashes happen in Custer?
Yellowstone County has had 668 reported truck crashes since 2015, injuring 245 people and killing 24.
Which month has the most truck crashes in Custer?
Truck crashes in Yellowstone County peak in February, with 14.4% of the year's crashes.
How many garbage truck accidents happen in Custer?
Garbage trucks were involved in 14 reported crashes in Yellowstone County since 2015 (2.1% of truck crashes).
How does Custer compare with Montana for truck crashes?
The yearly rate is 33.4 truck crashes per 100,000 residents in Yellowstone County, vs 64.3 for Montana.
What is the best way to plan truck routes in Custer?
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.