Castle Butte, SD truck route planning & crash data
Plan safer truck routes in Castle Butte: commercial truck and garbage truck crashes in Castle Butte and Pennington County, dangerous roads, seasonality and route safety data for fleets. Patterns use Pennington County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
10 of 399 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Pennington County compares with South Dakota
Pennington County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Pennington County stands out
Full comparison
| Measure (2015–2025) | Pennington County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 29.1 | 42.0 | 49.7 | 31% below the state |
| Deaths per 100 crashes | 3.0 | 5.2 | 3.4 | 42% below the state |
| Injuries per crash | 0.10 | 0.13 | 0.49 | 23% below the state |
| Garbage-truck share | 2.4% | 1.6% | 2.3% | 1.5× the state |
| On snow, slush or ice | 28.8% | 28.6% | 6.2% | same |
| Morning rush (6–10 am) | 21.0% | 22.2% | 23.7% | same |
| In rain, sleet or snow | 20.0% | 17.5% | 13.8% | 1.1× the state |
| Winter months (Nov–Mar) | 48.2% | 48.8% | 41.9% | same |
| After dark | 27.2% | 22.8% | 24.8% | 1.2× the state |
Compared with South Dakota, Pennington County is lower on crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash. It runs above South Dakota on garbage-truck share, in rain, sleet or snow and after dark.
What stands out in Pennington County: 1 in 41 of truck crashes here involve garbage trucks: 2.4%, vs 1.6% in South Dakota.
Overview
Pennington County has recorded 399 truck crashes since 2015, with 38 people injured and 11 killed.
In complete reporting years that works out to about one truck crash every 11 days.
Only 0 truck crashes were reported in Castle Butte since 2015; patterns below come from Pennington County as a whole.
When crashes happen
The worst month is January with 11.8% of truck crashes; the quietest is February at 5.3%.
Winter months (Nov–Mar) carry 48.2% of truck crashes, vs 48.8% for South Dakota.
By time of day, 2–3 pm stands out with 8.8% of truck crashes.
Road surface: 28.8% of truck crashes were on snow, slush or ice (South Dakota: 28.6%).
Where crashes happen
No fatal crash involving a large truck has a recorded location within 10 miles of Castle Butte since 2015.
Garbage & waste trucks
Garbage and refuse trucks were involved in 10 crashes, 2.5% of the total, against 1.6% across South Dakota.
Route planning tips for Castle Butte fleets
- Review driver schedules for January, the month with the most truck crashes.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
About the data
Crash counts come from the FMCSA crash file (police-reported crashes involving trucks over 10,000 lb); fatal-crash locations come from NHTSA FARS. Text on this page states only what these numbers show.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Pennington 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 (Pennington County) |
|---|---|
| I-90 | 194 |
| US-16 | 39 |
| Sd Hwy 44 | 26 |
| Sd Hwy 79 | 16 |
| Ave | 7 |
| Sd Hwy 445 | 7 |
| Us Hwy 16 B | 5 |
| Cambell St | 4 |
Castle Butte at a glance
| Population | 29 |
| Land area | 51.0 sq mi |
| Density | 1 per sq mi |
Waste facilities and haulers nearby
Historical data: truck crashes in Pennington 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 | 23 | — | 0.7 |
| 2000s | 24 | +2% | 1.0 |
| 2010s | 25 | +5% | 0.5 |
| 2020s | 42 | +67% | 1.0 |
From the 1990s to the 2020s, yearly reported truck crashes went from 23 to 42. Some of the change may reflect how crashes were reported. NHTSA counts 1.0 fatal large-truck crashes a year in 2016–19 and 1.0 a year in 2020–24.
Nearby places
Questions fleets ask about Castle Butte
How many truck crashes happen in Castle Butte?
399 truck crashes have been reported in Pennington County since 2015, with 11 deaths and 38 injuries.
Which month has the most truck crashes in Castle Butte?
Truck crashes in Pennington County peak in January, with 11.8% of the year's crashes.
How many garbage truck accidents happen in Castle Butte?
Garbage trucks were involved in 10 reported crashes in Pennington County since 2015 (2.5% of truck crashes).
What is the truck crash rate in Castle Butte compared with South Dakota?
Pennington County records 29.1 truck crashes per 100,000 residents a year, against 42.0 across South Dakota.
What is the best way to plan truck routes in Castle Butte?
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.