Pierpont, SD truck route planning & crash data
Plan safer truck routes in Pierpont: commercial truck and garbage truck crashes in Pierpont and Day County, dangerous roads, seasonality and route safety data for fleets. Patterns use Day County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1 of 53 truck crashes since 2015.
Deadliest roads
How Day County compares with South Dakota
Day County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Day County stands out
Full comparison
| Measure (2015–2025) | Day County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 80.7 | 42.0 | 49.7 | 1.9× the state |
| Deaths per 100 crashes | 2.1 | 5.2 | 3.4 | 60% below the state |
| Injuries per crash | 0.12 | 0.13 | 0.49 | 8% below the state |
| Garbage-truck share | 2.1% | 1.6% | 2.3% | 1.3× the state |
| On snow, slush or ice | 27.1% | 28.6% | 6.2% | same |
| Morning rush (6–10 am) | 22.9% | 22.2% | 23.7% | same |
| In rain, sleet or snow | 10.4% | 17.5% | 13.8% | 41% below the state |
| Winter months (Nov–Mar) | 35.4% | 48.8% | 41.9% | 27% below the state |
| After dark | 25.0% | 22.8% | 24.8% | 1.1× the state |
Day County has lower values than South Dakota for deaths per 100 crashes, injuries per crash and in rain, sleet or snow. It runs above South Dakota on crashes per 100k residents / yr, garbage-truck share and after dark.
Day County at a glance: February the month with the most truck crashes: 15.1% of the year's total.
Overview
Day County has recorded 53 truck crashes since 2015, with 7 people injured and 2 killed.
That averages about one truck crash every 84 days in fully reported years.
Only 0 truck crashes were reported in Pierpont since 2015; patterns below come from Day County as a whole.
When crashes happen
The worst month is February with 15.1% of truck crashes; the quietest is November at 1.9%.
The five winter months (November to March) hold 35.4% of truck crashes, against 48.8% across South Dakota.
The busiest hour is 11 am–12 pm, with 13.2% of truck crashes.
27.1% of truck crashes here happened on snow, slush or ice, against 28.6% across South Dakota.
Where crashes happen
Fatal large-truck crashes within 10 miles of Pierpont since 2015 were spread across roads: US-12 (1).
Garbage & waste trucks
Garbage trucks account for 1 of the truck crashes here, or 1.9%, compared with 1.6% in South Dakota.
Route planning tips for Pierpont fleets
- Plan February schedules with more margin; it is the worst month for truck crashes in Day County.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Day County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-12 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Day County) |
|---|---|
| US-12 | 39 |
| Sd Hwy 25 | 4 |
| Ave | 1 |
| Main Street | 1 |
| Sd Hwy 27 | 1 |
Pierpont at a glance
| Population | 121 |
| Land area | 0.2 sq mi |
| Density | 796 per sq mi |
| Median household income (ZIP 57468) | $76,250 |
| Median home value (ZIP 57468) | $116,039 |
Waste facilities and haulers nearby
Historical data: truck crashes in Day 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 | 3 | — | 0.4 |
| 2000s | 3 | +7% | 0.1 |
| 2010s | 5 | +53% | 0.4 |
| 2020s | 5 | +5% | 0.2 |
Reported truck crashes averaged 3 a year in the 1990s and 5 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 0.0 fatal large-truck crashes a year in 2016–19 and 0.2 a year in 2020–24.
Nearby places
Questions fleets ask about Pierpont
How many truck crashes happen in Pierpont?
53 truck crashes have been reported in Day County since 2015, with 2 deaths and 7 injuries.
What is the worst month for truck crashes in Pierpont?
Truck crashes in Day County peak in February, with 15.1% of the year's crashes.
Are garbage truck crashes common in Pierpont?
1 crash involving garbage or refuse trucks have been reported in Day County since 2015, 1.9% of all truck crashes.
How do truck crashes in Pierpont compare with South Dakota?
Per 100,000 residents, Day County has 80.7 truck crashes a year; South Dakota has 42.0.
What is the best way to plan truck routes in Pierpont?
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.