Spring Valley Township, Clark County, SD truck route planning & crash data
Plan safer truck routes in Spring Valley Township, Clark County: commercial truck and garbage truck crashes in Spring Valley Township, Clark County and Clark County, dangerous roads, seasonality and route safety data for fleets. Patterns use Clark County numbers.
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 stands out for higher crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
Clark County at a glance: 26.1 people killed per 100 truck crashes (South Dakota: 5.2).
Overview
Since 2015, 26 crashes involving commercial trucks have been reported in Clark County. They injured 6 people and killed 7.
In complete reporting years that works out to about one truck crash every 175 days.
Only 0 truck crashes were reported in Spring Valley Township, Clark County since 2015; patterns below come from Clark County as a whole.
When crashes happen
Truck crashes peak in October (26.9% of the year) and are lowest in June (0.0%).
November through March accounts for 34.8% of truck crashes here, compared with 48.8% in South Dakota.
By time of day, 9–10 am stands out 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
Roads with fatal crashes involving a large truck within 10 miles of Spring Valley since 2015: SR-20 (1). No single road stands out.
Garbage & waste trucks
Since 2015, no garbage-truck crashes were reported for Clark County.
Route planning tips for Spring Valley Township, Clark County fleets
- Build extra time into October routes: it has the most truck crashes here.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 Clark County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-20 | 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 |
Spring Valley Township, Clark County at a glance
| Population | 35 |
| Land area | 35.1 sq mi |
| Density | 1 per sq mi |
| Median household income (ZIP 57217) | $64,125 |
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. NHTSA counts 0.2 fatal large-truck crashes a year in 2016–19 and 0.4 a year in 2020–24.
Nearby places
Questions fleets ask about Spring Valley Township, Clark County
How many truck accidents are there in Spring Valley Township, Clark County?
26 truck crashes have been reported in Clark County since 2015, with 7 deaths and 6 injuries.
When do most truck crashes happen in Spring Valley Township, Clark County?
The worst month is October: 26.9% of truck crashes in Clark County happen then.
How many garbage truck crashes are there in Spring Valley Township, Clark County?
Since 2015, Clark County has reported 0 garbage-truck crashes, or 0.0% of its truck crashes.
How do truck crashes in Spring Valley Township, Clark County compare with South Dakota?
Per 100,000 residents, Clark County has 52.6 truck crashes a year; South Dakota has 42.0.
How do I plan a garbage truck route in Spring Valley Township, Clark 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.