Summit Township, Roberts County, SD truck route planning & crash data
Plan safer truck routes in Summit Township, Roberts County: commercial truck and garbage truck crashes in Summit Township, Roberts County and Roberts County, dangerous roads, seasonality and route safety data for fleets. Patterns use Roberts County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1 of 133 truck crashes since 2015.
Deadliest roads
How Roberts County compares with South Dakota
Roberts County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Roberts County stands out
Full comparison
| Measure (2015–2025) | Roberts County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 105.2 | 42.0 | 49.7 | 2.5× the state |
| Deaths per 100 crashes | 2.5 | 5.2 | 3.4 | 52% below the state |
| Injuries per crash | 0.12 | 0.13 | 0.49 | 8% below the state |
| Garbage-truck share | 0.8% | 1.6% | 2.3% | 48% below the state |
| On snow, slush or ice | 52.9% | 28.6% | 6.2% | 1.8× the state |
| Morning rush (6–10 am) | 23.5% | 22.2% | 23.7% | same |
| In rain, sleet or snow | 22.7% | 17.5% | 13.8% | 1.3× the state |
| Winter months (Nov–Mar) | 67.2% | 48.8% | 41.9% | 1.4× the state |
| After dark | 24.4% | 22.8% | 24.8% | same |
Roberts County sits below South Dakota on deaths per 100 crashes, injuries per crash and garbage-truck share. It runs above South Dakota on crashes per 100k residents / yr, on snow, slush or ice and in rain, sleet or snow.
What stands out in Roberts County: March 18.0% of truck crashes happen in March, more than any other month.
Overview
Police reported 133 crashes involving commercial trucks in Roberts County since 2015: 19 people were injured and 3 were killed.
In complete reporting years that works out to about one truck crash every 34 days.
With 0 truck crashes reported in Summit Township, Roberts County since 2015, this page uses Roberts County numbers for its patterns and comparisons.
When crashes happen
The worst month is March with 18.0% of truck crashes; the quietest is June at 2.3%.
Winter months (Nov–Mar) carry 67.2% of truck crashes, vs 48.8% for South Dakota.
More truck crashes happen at 3–4 pm than at any other hour (9.8%).
Road surface: 52.9% of truck crashes were on snow, slush or ice (South Dakota: 28.6%).
Where crashes happen
Fatal large-truck crashes within 10 miles of Summit since 2015 were spread across roads: SR-123 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 1 crash, 0.8% of the total, against 1.6% across South Dakota.
Route planning tips for Summit Township, Roberts County fleets
- Build extra time into March routes: it has the most truck crashes here.
- Icy and snowy roads show up in 52.9% of truck crashes here, more than South Dakota; schedule winter checks early.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 Roberts County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-123 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Roberts County) |
|---|---|
| I-29 | 85 |
| US-12 | 17 |
| Ave | 5 |
| Sd Hwy 10 | 3 |
| Sd Hwy 106 | 3 |
| Sd Hwy 127 | 3 |
| Ramp | 2 |
| Sd Hwy 15 | 2 |
Summit Township, Roberts County at a glance
| Population | 35 |
| Land area | 32.3 sq mi |
| Density | 1 per sq mi |
| Median household income (ZIP 57266) | $72,500 |
| Median home value (ZIP 57266) | $152,290 |
Waste facilities and haulers nearby
Historical data: truck crashes in Roberts 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 | 6 | — | 0.5 |
| 2000s | 6 | +0% | 0.5 |
| 2010s | 12 | +105% | 0.6 |
| 2020s | 11 | -11% | 0.2 |
Reported truck crashes averaged 6 a year in the 1990s and 11 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 0.8 fatal large-truck crashes a year in 2016–19 and 0.2 a year in 2020–24.
Nearby places
Questions fleets ask about Summit Township, Roberts County
How many truck crashes happen in Summit Township, Roberts County?
Roberts County has had 133 reported truck crashes since 2015, injuring 19 people and killing 3.
What is the worst month for truck crashes in Summit Township, Roberts County?
March has the most truck crashes in Roberts County, 18.0% of the yearly total.
How many garbage truck crashes are there in Summit Township, Roberts County?
Since 2015, Roberts County has reported 1 garbage-truck crash, or 0.8% of its truck crashes.
What is the truck crash rate in Summit Township, Roberts County compared with South Dakota?
Per 100,000 residents, Roberts County has 105.2 truck crashes a year; South Dakota has 42.0.
How can I plan a safer truck route in Summit Township, Roberts County?
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.