ZIP 57751 (Keystone, SD) truck route planning & crash data
Plan safer truck routes around ZIP 57751: 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
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.
Pennington County at a glance: 1 in 41 garbage-truck share of crashes is 2.4%, against 1.6% for South Dakota.
Overview
Since 2015, 399 crashes involving commercial trucks have been reported in Pennington County. They injured 38 people and killed 11.
Across the years with complete reporting, that is roughly one truck crash every 11 days.
When crashes happen
Truck crashes peak in January (11.8% of the year) and are lowest in February (5.3%).
November through March accounts for 48.2% of truck crashes here, compared with 48.8% in South Dakota.
More truck crashes happen at 2–3 pm than at any other hour (8.8%).
28.8% of truck crashes here happened on snow, slush or ice, against 28.6% across South Dakota.
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of ZIP 57751 since 2015: US-16 (1). No single road stands out.
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 ZIP 57751 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
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
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-16 | 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 |
ZIP 57751 at a glance
| Population | 893 |
| Density | 8 per sq mi |
| Median household income | $97,969 |
| Median home value | $496,748 |
| Home ownership | 86% |
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. 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 57751
How common are truck crashes in ZIP 57751?
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 ZIP 57751?
Truck crashes in Pennington County peak in January, with 11.8% of the year's crashes.
How many garbage truck crashes are there in ZIP 57751?
10 crashes involving garbage or refuse trucks have been reported in Pennington County since 2015, 2.5% of all truck crashes.
How do truck crashes in ZIP 57751 compare with South Dakota?
Pennington County records 29.1 truck crashes per 100,000 residents a year, against 42.0 across South Dakota.
How can I plan a safer truck route in ZIP 57751?
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.