Lake Hill, SD truck route planning & crash data
Plan safer truck routes in Lake Hill: commercial truck and garbage truck crashes in Lake Hill 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
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. Where it is higher: garbage-truck share, in rain, sleet or snow and after dark.
What stands out in Pennington County: 1 in 41 garbage-truck share of crashes is 2.4%, against 1.6% for 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 Lake Hill since 2015; patterns below come from Pennington County as a whole.
When crashes happen
January has the most truck crashes, 11.8% of the yearly total, while February has the fewest (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.
Snow, slush or ice was on the road in 28.8% of truck crashes, compared with 28.6% in South Dakota.
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of Lake Hill happened on I-90 (1); no road leads clearly.
Garbage & waste trucks
Garbage trucks account for 10 of the truck crashes here, or 2.5%, compared with 1.6% in South Dakota.
Route planning tips for Lake Hill 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
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-90 | 1 |
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 |
Lake Hill at a glance
| Population | 42 |
| Land area | 35.1 sq mi |
| Density | 1 per sq mi |
| Median household income (ZIP 57790) | $75,096 |
| Median home value (ZIP 57790) | $209,725 |
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 |
In the 1990s about 23 truck crashes a year were reported; in the 2020s, about 42. Reporting coverage also changed between these periods. Fatal large-truck crashes: 1.0 a year in 2016–19, 1.0 a year in 2020–24.
Nearby places
Questions fleets ask about Lake Hill
How common are truck crashes in Lake Hill?
399 truck crashes have been reported in Pennington County since 2015, with 11 deaths and 38 injuries.
What is the worst month for truck crashes in Lake Hill?
Truck crashes in Pennington County peak in January, with 11.8% of the year's crashes.
How many garbage truck crashes are there in Lake Hill?
Since 2015, Pennington County has reported 10 garbage-truck crashes, or 2.5% of its truck crashes.
How does Lake Hill compare with South Dakota for truck crashes?
Per 100,000 residents, Pennington County has 29.1 truck crashes a year; South Dakota has 42.0.
How do I plan a garbage truck route in Lake Hill?
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.