Clark County, SD truck route planning & crash data
Plan safer truck routes in Clark County: commercial truck and garbage truck crashes, dangerous roads, seasonality and route safety data for fleets.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
0 of 26 truck crashes since 2015.
Deadliest roads
How Clark County compares with South Dakota
Clark County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Clark County stands out
Full comparison
| Measure (2015–2025) | Clark County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 52.6 | 42.0 | 49.7 | 1.3× the state |
| Deaths per 100 crashes | 26.1 | 5.2 | 3.4 | 5.0× the state |
| Injuries per crash | 0.26 | 0.13 | 0.49 | 2.0× the state |
| Garbage-truck share | 0.0% | 1.6% | 2.3% | 100% below the state |
| On snow, slush or ice | 13.0% | 28.6% | 6.2% | 54% below the state |
| Morning rush (6–10 am) | 21.7% | 22.2% | 23.7% | same |
| In rain, sleet or snow | 8.7% | 17.5% | 13.8% | 50% below the state |
| Winter months (Nov–Mar) | 34.8% | 48.8% | 41.9% | 29% below the state |
| After dark | 17.4% | 22.8% | 24.8% | 24% below the state |
Compared with South Dakota, Clark County is lower on garbage-truck share, on snow, slush or ice and in rain, sleet or snow. It runs above South Dakota on crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
What stands out in Clark County: 26.1 deaths per 100 truck crashes, vs 5.2 in South Dakota.
Overview
Police reported 26 crashes involving commercial trucks in Clark County since 2015: 6 people were injured and 7 were killed.
In complete reporting years that works out to about one truck crash every 175 days.
When crashes happen
October has the most truck crashes, 26.9% of the yearly total, while June has the fewest (0.0%).
The five winter months (November to March) hold 34.8% of truck crashes, against 48.8% across South Dakota.
The busiest hour is 9–10 am, with 15.4% of truck crashes.
Road surface: 13.0% of truck crashes were on snow, slush or ice (South Dakota: 28.6%).
Where crashes happen
Fatal large-truck crashes in Clark County since 2015 were spread across roads: CR-167TH St (1), Sr- 20 (1) and US-212 (1).
Garbage & waste trucks
FMCSA lists no garbage-truck crashes in Clark County since 2015.
Route planning tips for Clark County fleets
- Plan October schedules with more margin; it is the worst month for truck crashes in Clark County.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Clark County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (in Clark County) |
|---|---|
| CR-167TH St | 1 |
| Sr- 20 | 1 |
| US-212 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Clark County) |
|---|---|
| US-212 | 8 |
| Sd Hwy 20 | 4 |
| Sd Hwy 25 | 4 |
| Ave | 3 |
| Sd Hwy 28 | 3 |
| 424Th Ave | 1 |
Clark County at a glance
| Population | 3,974 |
| Land area | 957.5 sq mi |
| Density | 4 per sq mi |
| Median household income (ZIP average) | $68,118 |
Historical data: truck crashes in Clark 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 | 1 | — | 0.3 |
| 2000s | 2 | +57% | 0.2 |
| 2010s | 3 | +23% | 0.1 |
| 2020s | 2 | -14% | 0.4 |
From the 1990s to the 2020s, yearly reported truck crashes went from 1 to 2. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 0.2 a year in 2016–19, 0.4 a year in 2020–24.
Cities, towns & communities in Clark County
ZIP codes in Clark County
Nearby counties
Questions fleets ask about Clark County
How common are truck crashes in Clark County?
Since 2015, 26 crashes involving commercial trucks were reported in Clark County (6 injured, 7 killed).
What is the worst month for truck crashes in Clark County?
October has the most truck crashes in Clark County, 26.9% of the yearly total.
How many garbage truck crashes are there in Clark County?
Garbage trucks were involved in 0 reported crashes in Clark County since 2015 (0.0% of truck crashes).
How do truck crashes in Clark County compare with South Dakota?
Clark County records 52.6 truck crashes per 100,000 residents a year, against 42.0 across South Dakota.
How can I plan a safer truck route in Clark County?
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.