Timber Lake, SD truck route planning & crash data
Plan safer truck routes in Timber Lake: commercial truck and garbage truck crashes in Timber Lake 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
The headline for 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.
In complete reporting years that works out to about one truck crash every 335 days.
Only 0 truck crashes were reported in Timber Lake since 2015; patterns below come from Dewey County as a whole.
When crashes happen
Dewey County has too few reported truck crashes for a monthly pattern.
Where crashes happen
Fatal large-truck crashes within 10 miles of Timber Lake since 2015 were spread across roads: SR-63 (1).
Garbage & waste trucks
No crashes involving garbage or refuse trucks have been reported in Dewey County since 2015.
Route planning tips for Timber Lake fleets
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 (within 10 miles) |
|---|---|
| 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 |
Timber Lake at a glance
| Population | 537 |
| Land area | 0.6 sq mi |
| Density | 879 per sq mi |
| Median household income (ZIP 57656) | $66,094 |
| Median home value (ZIP 57656) | $81,899 |
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 |
From the 1990s to the 2020s, yearly reported truck crashes went from 1 to 1. 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.
Nearby places
Questions fleets ask about Timber Lake
How common are truck crashes in Timber Lake?
Since 2015, 12 crashes involving commercial trucks were reported in Dewey County (3 injured, 3 killed).
How many garbage truck accidents happen in Timber Lake?
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 Timber Lake?
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.