Ada, SD truck route planning & crash data
Plan safer truck routes in Ada: commercial truck and garbage truck crashes in Ada and Perkins County, dangerous roads, seasonality and route safety data for fleets. Patterns use Perkins County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1 of 21 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Perkins County compares with South Dakota
Perkins County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Perkins County stands out
Full comparison
| Measure (2015–2025) | Perkins County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 67.4 | 42.0 | 49.7 | 1.6× the state |
| Deaths per 100 crashes | 0.0 | 5.2 | 3.4 | 100% below the state |
| Injuries per crash | 0.05 | 0.13 | 0.49 | 62% below the state |
| Garbage-truck share | 4.8% | 1.6% | 2.3% | 3.0× the state |
| On snow, slush or ice | 23.8% | 28.6% | 6.2% | 17% below the state |
| Morning rush (6–10 am) | 19.1% | 22.2% | 23.7% | 14% below the state |
| In rain, sleet or snow | 23.8% | 17.5% | 13.8% | 1.4× the state |
| Winter months (Nov–Mar) | 47.6% | 48.8% | 41.9% | same |
| After dark | 14.3% | 22.8% | 24.8% | 37% below the state |
Compared with South Dakota, Perkins County is lower on deaths per 100 crashes, injuries per crash and on snow, slush or ice. It stands out for higher crashes per 100k residents / yr, garbage-truck share and in rain, sleet or snow.
The headline for Perkins County: 1 in 21 of truck crashes here involve garbage trucks: 4.8%, vs 1.6% in South Dakota.
Overview
Since 2015, 21 crashes involving commercial trucks have been reported in Perkins County. They injured 1 people and killed 0.
That averages about one truck crash every 191 days in fully reported years.
With 0 truck crashes reported in Ada since 2015, this page uses Perkins County numbers for its patterns and comparisons.
When crashes happen
Truck crashes peak in September (19.0% of the year) and are lowest in January (0.0%).
November through March accounts for 47.6% of truck crashes here, compared with 48.8% in South Dakota.
The busiest hour is 2–3 pm, with 23.8% of truck crashes.
Road surface: 23.8% of truck crashes were on snow, slush or ice (South Dakota: 28.6%).
Where crashes happen
No fatal crash involving a large truck has a recorded location within 10 miles of Ada since 2015.
Garbage & waste trucks
1 crash involved a garbage or refuse truck, a 4.8% share (South Dakota: 1.6%).
Route planning tips for Ada fleets
- Review driver schedules for September, the month with the most truck crashes.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Perkins 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 (Perkins County) |
|---|---|
| Sd Hwy 73 | 7 |
| Bixby Rd | 4 |
| Sd Hwy 75 | 3 |
| US-12 | 3 |
| Ave | 2 |
| Sd Hwy 20 | 2 |
Ada at a glance
| Population | 11 |
| Land area | 35.4 sq mi |
| Density | 0 per sq mi |
| Median household income (ZIP 57620) | $90,500 |
| Median home value (ZIP 57620) | $107,820 |
Waste facilities and haulers nearby
Historical data: truck crashes in Perkins 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 | — | 0.4 |
| 2000s | 2 | -66% | 0.1 |
| 2010s | 4 | +111% | 0.0 |
| 2020s | 1 | -74% | 0.0 |
Reported truck crashes averaged 5 a year in the 1990s and 1 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting.
Nearby places
Questions fleets ask about Ada
How common are truck crashes in Ada?
21 truck crashes have been reported in Perkins County since 2015, with 0 deaths and 1 injuries.
What is the worst month for truck crashes in Ada?
The worst month is September: 19.0% of truck crashes in Perkins County happen then.
Are garbage truck crashes common in Ada?
Since 2015, Perkins County has reported 1 garbage-truck crash, or 4.8% of its truck crashes.
What is the truck crash rate in Ada compared with South Dakota?
Perkins County records 67.4 truck crashes per 100,000 residents a year, against 42.0 across South Dakota.
What is the best way to plan truck routes in Ada?
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.