Twin Lake, SD truck route planning & crash data
Plan safer truck routes in Twin Lake: commercial truck and garbage truck crashes in Twin Lake and Sanborn County, dangerous roads, seasonality and route safety data for fleets. Patterns use Sanborn County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1 of 19 truck crashes since 2015.
Deadliest roads
The headline for Sanborn County: 19 truck crashes reported in Sanborn County since 2015.
Overview
Police reported 19 crashes involving commercial trucks in Sanborn County since 2015: 2 people were injured and 3 were killed.
That averages about one truck crash every 211 days in fully reported years.
Only 0 truck crashes were reported in Twin Lake since 2015; patterns below come from Sanborn County as a whole.
When crashes happen
There are too few truck crashes in Sanborn County to show a reliable monthly pattern.
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of Twin Lake happened on CR-393 Ave (1); no road leads clearly.
Garbage & waste trucks
1 crash involved a garbage or refuse truck, a 5.3% share (South Dakota: 1.6%).
Route planning tips for Twin Lake fleets
- 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 Sanborn County
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| CR-393 Ave | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Sanborn County) |
|---|---|
| Sd Hwy 37 | 8 |
| Sd Hwy 34 | 7 |
| Sd Hwy 224 | 2 |
Twin Lake at a glance
| Population | 95 |
| Land area | 35.7 sq mi |
| Density | 3 per sq mi |
| Median household income (ZIP 57385) | $70,404 |
| Median home value (ZIP 57385) | $128,603 |
Historical data: truck crashes in Sanborn 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 | 2 | — | 0.0 |
| 2000s | 1 | -33% | 0.0 |
| 2010s | 2 | +50% | 0.2 |
| 2020s | 2 | +33% | 0.2 |
In the 1990s about 2 truck crashes a year were reported; in the 2020s, about 2. Reporting coverage also changed between these periods. Fatal crashes involving a large truck averaged 0.2 a year in 2016–19 and 0.2 a year in 2020–24.
Nearby places
Questions fleets ask about Twin Lake
How many truck crashes happen in Twin Lake?
19 truck crashes have been reported in Sanborn County since 2015, with 3 deaths and 2 injuries.
How many garbage truck crashes are there in Twin Lake?
1 crash involving garbage or refuse trucks have been reported in Sanborn County since 2015, 5.3% of all truck crashes.
What is the best way to plan truck routes in Twin Lake?
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.