Whitehorse, SD truck route planning & crash data
Plan safer truck routes in Whitehorse: commercial truck and garbage truck crashes in Whitehorse and Dewey County, dangerous roads, seasonality and route safety data for fleets. Patterns use Dewey County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
0 of 12 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
What stands out in Dewey County: 12 truck crashes reported in Dewey County since 2015.
Overview
Since 2015, 12 crashes involving commercial trucks have been reported in Dewey County. They injured 3 people and killed 3.
Across the years with complete reporting, that is roughly one truck crash every 335 days.
With 0 truck crashes reported in Whitehorse since 2015, this page uses Dewey County numbers for its patterns and comparisons.
When crashes happen
There are too few truck crashes in Dewey County to show a reliable monthly pattern.
Where crashes happen
Since 2015, no fatal large-truck crashes with a location were recorded within 10 miles of Whitehorse.
Garbage & waste trucks
Since 2015, no garbage-truck crashes were reported for Dewey County.
Route planning tips for Whitehorse fleets
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
About the data
This report uses the FMCSA crash file (reported crashes of trucks over 10,000 lb) and NHTSA FARS (fatal crashes). It reports the numbers without guessing at reasons.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Dewey County
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 (Dewey County) |
|---|---|
| US-212 | 6 |
| Sd Hwy 20 | 2 |
| Sd Hwy 63 | 2 |
| Ave | 1 |
Whitehorse at a glance
| Land area | 2.7 sq mi |
| Median household income (ZIP 57661) | $55,000 |
Waste facilities and haulers nearby
Historical data: truck crashes in Dewey 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 | — | 0.1 |
| 2000s | 1 | +33% | 0.1 |
| 2010s | 2 | +88% | 0.2 |
| 2020s | 1 | -22% | 0.4 |
In the 1990s about 1 truck crash a year were reported; in the 2020s, about 1. 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 Whitehorse
How many truck accidents are there in Whitehorse?
Dewey County has had 12 reported truck crashes since 2015, injuring 3 people and killing 3.
How many garbage truck accidents happen in Whitehorse?
Since 2015, Dewey County has reported 0 garbage-truck crashes, or 0.0% of its truck crashes.
How do I plan a garbage truck route in Whitehorse?
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.