Agency, SD truck route planning & crash data
Plan safer truck routes in Agency: commercial truck and garbage truck crashes in Agency 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
No fatal large-truck crashes with a road name recorded here since 2015.
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.
That averages about one truck crash every 34 days in fully reported years.
Agency had 0 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Roberts County numbers.
When crashes happen
Truck crashes peak in March (18.0% of the year) and are lowest in June (2.3%).
Winter months (Nov–Mar) carry 67.2% of truck crashes, vs 48.8% for South Dakota.
By time of day, 3–4 pm stands out with 9.8% of truck crashes.
52.9% of truck crashes here happened on snow, slush or ice, against 28.6% across South Dakota.
Where crashes happen
No fatal crash involving a large truck has a recorded location within 10 miles of Agency since 2015.
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 Agency fleets
- Build extra time into March routes: it has the most truck crashes here.
- 52.9% of truck crashes were on snow, slush or ice, above South Dakota; plan winter equipment checks before the season.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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
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 (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 |
Agency at a glance
| Population | 311 |
| Land area | 36.0 sq mi |
| Density | 9 per sq mi |
| Median household income (ZIP 57257) | $55,625 |
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 |
In the 1990s about 6 truck crashes a year were reported; in the 2020s, about 11. Reporting coverage also changed between these periods. 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 Agency
How many truck accidents are there in Agency?
Since 2015, 133 crashes involving commercial trucks were reported in Roberts County (19 injured, 3 killed).
Which month has the most truck crashes in Agency?
March has the most truck crashes in Roberts County, 18.0% of the yearly total.
How many garbage truck crashes are there in Agency?
1 crash involving garbage or refuse trucks have been reported in Roberts County since 2015, 0.8% of all truck crashes.
How does Agency compare with South Dakota for truck crashes?
The yearly rate is 105.2 truck crashes per 100,000 residents in Roberts County, vs 42.0 for South Dakota.
How can I plan a safer truck route in Agency?
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.