ZIP 57745 (Hill City, SD) truck route planning & crash data
Plan safer truck routes around ZIP 57745: commercial truck and garbage truck crashes here and in Pennington County, dangerous roads, seasonality and route safety data for fleets.
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 |
Pennington County has lower values than South Dakota for 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 of truck crashes here involve garbage trucks: 2.4%, vs 1.6% in South Dakota.
Overview
Police reported 399 crashes involving commercial trucks in Pennington County since 2015: 38 people were injured and 11 were killed.
In complete reporting years that works out to about one truck crash every 11 days.
When crashes happen
January has the most truck crashes, 11.8% of the yearly total, while February has the fewest (5.3%).
November through March accounts for 48.2% of truck crashes here, compared with 48.8% in South Dakota.
The busiest hour is 2–3 pm, with 8.8% of truck crashes.
28.8% of truck crashes here happened on snow, slush or ice, against 28.6% across South Dakota.
Where crashes happen
Since 2015, no fatal large-truck crashes with a location were recorded within 10 miles of ZIP 57745.
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 ZIP 57745 fleets
- Build extra time into January routes: it has the most truck crashes here.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
About the data
This report uses the FMCSA crash file (reported crashes of trucks over 10,000 lb) and NHTSA FARS (fatal crashes). It reports the numbers without guessing at reasons.
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 |
ZIP 57745 at a glance
| Population | 1,894 |
| Density | 2 per sq mi |
| Median household income | $88,194 |
| Median home value | $344,935 |
| Home ownership | 82% |
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 |
Reported truck crashes averaged 23 a year in the 1990s and 42 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 1.0 a year in 2016–19, 1.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 57745
How many truck accidents are there in ZIP 57745?
Since 2015, 399 crashes involving commercial trucks were reported in Pennington County (38 injured, 11 killed).
Which month has the most truck crashes in ZIP 57745?
Truck crashes in Pennington County peak in January, with 11.8% of the year's crashes.
Are garbage truck crashes common in ZIP 57745?
Since 2015, Pennington County has reported 10 garbage-truck crashes, or 2.5% of its truck crashes.
How does ZIP 57745 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 can I plan a safer truck route in ZIP 57745?
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.