Vienna, SD truck route planning & crash data
Plan safer truck routes in Vienna: commercial truck and garbage truck crashes in Vienna 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
No fatal large-truck crashes with a road name recorded here since 2015.
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 |
Clark County has lower values than South Dakota for 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.
That averages about one truck crash every 175 days in fully reported years.
Only 0 truck crashes were reported in Vienna since 2015; patterns below come from Clark County as a whole.
When crashes happen
The worst month is October with 26.9% of truck crashes; the quietest is June at 0.0%.
November through March accounts for 34.8% of truck crashes here, compared with 48.8% in South Dakota.
The busiest hour is 9–10 am, with 15.4% of truck crashes.
Snow, slush or ice was on the road in 13.0% of truck crashes, compared with 28.6% in South Dakota.
Where crashes happen
Since 2015, no fatal large-truck crashes with a location were recorded within 10 miles of Vienna.
Garbage & waste trucks
FMCSA lists no garbage-truck crashes in Clark County since 2015.
Route planning tips for Vienna fleets
- Build extra time into October routes: it has the most truck crashes here.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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
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 (Clark County) |
|---|---|
| US-212 | 8 |
| Sd Hwy 20 | 4 |
| Sd Hwy 25 | 4 |
| Ave | 3 |
| Sd Hwy 28 | 3 |
| 424Th Ave | 1 |
Vienna at a glance
| Population | 53 |
| Land area | 0.8 sq mi |
| Density | 63 per sq mi |
| Median household income (ZIP 57271) | $85,524 |
| Median home value (ZIP 57271) | $262,572 |
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 |
In the 1990s about 1 truck crash a year were reported; in the 2020s, about 2. Reporting coverage also changed between these periods. 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 Vienna
How many truck crashes happen in Vienna?
26 truck crashes have been reported in Clark County since 2015, with 7 deaths and 6 injuries.
What is the worst month for truck crashes in Vienna?
October has the most truck crashes in Clark County, 26.9% of the yearly total.
How many garbage truck crashes are there in Vienna?
Garbage trucks were involved in 0 reported crashes in Clark County since 2015 (0.0% of truck crashes).
How do truck crashes in Vienna compare with South Dakota?
The yearly rate is 52.6 truck crashes per 100,000 residents in Clark County, vs 42.0 for South Dakota.
How can I plan a safer truck route in Vienna?
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.