Dewey County, SD truck route planning & crash data
Plan safer truck routes in Dewey 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 12 truck crashes since 2015.
Deadliest roads
What stands out in Dewey County: #60 of 65 rank among South Dakota's 65 counties by yearly truck crashes.
Overview
Dewey County has recorded 12 truck crashes since 2015, with 3 people injured and 3 killed.
In complete reporting years that works out to about one truck crash every 335 days.
When crashes happen
Monthly patterns need more crashes than Dewey County has on record.
Where crashes happen
Since 2015, fatal crashes with a large truck in Dewey County happened on US-212 (2) and SR-63 (1); no road leads clearly.
Garbage & waste trucks
No crashes involving garbage or refuse trucks have been reported in Dewey County since 2015.
Route planning tips for Dewey County fleets
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 Dewey County
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (in Dewey County) |
|---|---|
| US-212 | 2 |
| SR-63 | 1 |
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 |
Dewey County at a glance
| Population | 5,322 |
| Land area | 2,302.4 sq mi |
| Density | 2 per sq mi |
| Median household income (ZIP average) | $55,097 |
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. Fatal large-truck crashes: 0.2 a year in 2016–19, 0.4 a year in 2020–24.
Cities, towns & communities in Dewey County
ZIP codes in Dewey County
Nearby counties
Questions fleets ask about Dewey County
How common are truck crashes in Dewey County?
Since 2015, 12 crashes involving commercial trucks were reported in Dewey County (3 injured, 3 killed).
Are garbage truck crashes common in Dewey County?
Garbage trucks were involved in 0 reported crashes in Dewey County since 2015 (0.0% of truck crashes).
How do I plan a garbage truck route in Dewey 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.