Darby, MT truck route planning & crash data
Plan safer truck routes in Darby: commercial truck and garbage truck crashes in Darby and Ravalli County, dangerous roads, seasonality and route safety data for fleets. Patterns use Ravalli County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
3 of 81 truck crashes since 2015.
Deadliest roads
How Ravalli County compares with Montana
Ravalli County against Montana and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Ravalli County stands out
Full comparison
| Measure (2015–2025) | Ravalli County | Montana | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 13.2 | 64.3 | 49.7 | 79% below the state |
| Deaths per 100 crashes | 0.0 | 3.8 | 3.4 | 100% below the state |
| Injuries per crash | 0.39 | 0.34 | 0.49 | 1.1× the state |
| Garbage-truck share | 2.9% | 0.9% | 2.3% | 3.1× the state |
| On snow, slush or ice | 12.9% | 39.4% | 6.2% | 67% below the state |
| Morning rush (6–10 am) | 27.1% | 22.9% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 8.6% | 20.6% | 13.8% | 58% below the state |
| Winter months (Nov–Mar) | 31.4% | 54.3% | 41.9% | 42% below the state |
| After dark | 14.3% | 30.8% | 24.8% | 54% below the state |
Ravalli County has lower values than Montana for crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice. It stands out for higher injuries per crash, garbage-truck share and morning rush (6–10 am).
What stands out in Ravalli County: 1 in 35 garbage-truck share of crashes is 2.9%, against 0.9% for Montana.
Overview
Since 2015, 81 crashes involving commercial trucks have been reported in Ravalli County. They injured 34 people and killed 0.
Across the years with complete reporting, that is roughly one truck crash every 57 days.
Darby had 0 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Ravalli County numbers.
80% of truck crash reports in Ravalli County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
The worst month is July with 12.3% of truck crashes; the quietest is March at 3.7%.
November through March accounts for 31.4% of truck crashes here, compared with 54.3% in Montana.
By time of day, 7–8 am stands out with 11.1% of truck crashes.
Road surface: 12.9% 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 Darby since 2015: US-93 (1). No single road stands out.
Garbage & waste trucks
3 crashes involved a garbage or refuse truck, a 3.7% share (Montana: 0.9%).
Route planning tips for Darby fleets
- Plan July schedules with more margin; it is the worst month for truck crashes in Ravalli County.
- Morning starts matter: 27.1% of truck crashes fall between 6 and 10 am, higher than Montana.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Ravalli County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-93 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Ravalli County) |
|---|---|
| Mm 32.3 Us 93 | 2 |
| Block Granite Creek Rd | 1 |
| Mm 13.9 S-269 (Eastside Hwy) | 1 |
| Mm 2.1 Us Hwy 93 | 1 |
| Mm 45.3 Us Highway 93 | 1 |
| Mm 59.5 Us93 | 1 |
| S-203 (Eastside Highway) | 1 |
| Sb Meridian Road | 1 |
Darby at a glance
| Population | 873 |
| Land area | 0.7 sq mi |
| Density | 1,311 per sq mi |
| Median household income (ZIP 59827) | $65,815 |
| Median home value (ZIP 59827) | $423,717 |
Waste facilities and haulers nearby
Historical data: truck crashes in Ravalli 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 | — | — | 0.3 |
| 2000s | 8 | — | 0.2 |
| 2010s | 5 | -35% | 0.0 |
| 2020s | 7 | +50% | 0.6 |
Reported truck crashes averaged 8 a year in the 2000s and 7 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal crashes involving a large truck averaged 0.0 a year in 2016–19 and 0.6 a year in 2020–24.
Nearby places
Questions fleets ask about Darby
How common are truck crashes in Darby?
Ravalli County has had 81 reported truck crashes since 2015, injuring 34 people and killing 0.
What is the worst month for truck crashes in Darby?
Truck crashes in Ravalli County peak in July, with 12.3% of the year's crashes.
How many garbage truck crashes are there in Darby?
Garbage trucks were involved in 3 reported crashes in Ravalli County since 2015 (3.7% of truck crashes).
How does Darby compare with Montana for truck crashes?
Per 100,000 residents, Ravalli County has 13.2 truck crashes a year; Montana has 64.3.
What is the best way to plan truck routes in Darby?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
2026 is a partial year. Updated October 2026.