Sumner, SD truck route planning & crash data
Plan safer truck routes in Sumner: commercial truck and garbage truck crashes in Sumner and Spink County, dangerous roads, seasonality and route safety data for fleets. Patterns use Spink County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1 of 47 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Spink County compares with South Dakota
Spink County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Spink County stands out
Full comparison
| Measure (2015–2025) | Spink County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 68.5 | 42.0 | 49.7 | 1.6× the state |
| Deaths per 100 crashes | 4.3 | 5.2 | 3.4 | 17% below the state |
| Injuries per crash | 0.33 | 0.13 | 0.49 | 2.5× the state |
| Garbage-truck share | 2.2% | 1.6% | 2.3% | 1.3× the state |
| On snow, slush or ice | 17.4% | 28.6% | 6.2% | 39% below the state |
| Morning rush (6–10 am) | 17.4% | 22.2% | 23.7% | 22% below the state |
| In rain, sleet or snow | 8.7% | 17.5% | 13.8% | 50% below the state |
| Winter months (Nov–Mar) | 45.6% | 48.8% | 41.9% | same |
| After dark | 17.4% | 22.8% | 24.8% | 24% below the state |
Spink County has lower values than South Dakota for deaths per 100 crashes, on snow, slush or ice and morning rush (6–10 am). Where it is higher: crashes per 100k residents / yr, injuries per crash and garbage-truck share.
The headline for Spink County: October 17.0% of truck crashes happen in October, more than any other month.
Overview
Police reported 47 crashes involving commercial trucks in Spink County since 2015: 15 people were injured and 2 were killed.
Across the years with complete reporting, that is roughly one truck crash every 87 days.
With 0 truck crashes reported in Sumner since 2015, this page uses Spink County numbers for its patterns and comparisons.
When crashes happen
October has the most truck crashes, 17.0% of the yearly total, while April has the fewest (2.1%).
November through March accounts for 45.6% of truck crashes here, compared with 48.8% in South Dakota.
By time of day, 1–2 pm stands out with 12.8% of truck crashes.
Road surface: 17.4% of truck crashes were on snow, slush or ice (South Dakota: 28.6%).
Where crashes happen
Since 2015, no fatal large-truck crashes with a location were recorded within 10 miles of Sumner.
Garbage & waste trucks
Garbage trucks account for 1 of the truck crashes here, or 2.1%, compared with 1.6% in South Dakota.
Route planning tips for Sumner fleets
- Plan October schedules with more margin; it is the worst month for truck crashes in Spink 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 Spink 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 (Spink County) |
|---|---|
| US-281 | 18 |
| Sd Hwy 37 | 7 |
| US-212 | 6 |
| Sd Hwy 20 | 3 |
| Ave | 2 |
| Sd Hwy 26 | 2 |
| 183Rd St | 1 |
| 1St St | 1 |
Sumner at a glance
| Population | 13 |
| Land area | 36.1 sq mi |
| Density | 0 per sq mi |
| Median household income (ZIP 57477) | $59,375 |
Waste facilities and haulers nearby
Historical data: truck crashes in Spink 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 | 5 | — | 0.2 |
| 2000s | 3 | -35% | 0.2 |
| 2010s | 6 | +71% | 0.2 |
| 2020s | 4 | -25% | 0.2 |
In the 1990s about 5 truck crashes a year were reported; in the 2020s, about 4. Reporting coverage also changed between these periods. Fatal crashes involving a large truck averaged 0.0 a year in 2016–19 and 0.2 a year in 2020–24.
Nearby places
Questions fleets ask about Sumner
How many truck crashes happen in Sumner?
Since 2015, 47 crashes involving commercial trucks were reported in Spink County (15 injured, 2 killed).
Which month has the most truck crashes in Sumner?
The worst month is October: 17.0% of truck crashes in Spink County happen then.
How many garbage truck crashes are there in Sumner?
Garbage trucks were involved in 1 reported crash in Spink County since 2015 (2.1% of truck crashes).
How does Sumner compare with South Dakota for truck crashes?
Spink County records 68.5 truck crashes per 100,000 residents a year, against 42.0 across South Dakota.
What is the best way to plan truck routes in Sumner?
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.