Twin Brooks, SD truck route planning & crash data
Plan safer truck routes in Twin Brooks: commercial truck and garbage truck crashes in Twin Brooks and Grant County, dangerous roads, seasonality and route safety data for fleets. Patterns use Grant County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
0 of 76 truck crashes since 2015.
Deadliest roads
How Grant County compares with South Dakota
Grant County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Grant County stands out
Full comparison
| Measure (2015–2025) | Grant County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 77.6 | 42.0 | 49.7 | 1.8× the state |
| Deaths per 100 crashes | 9.2 | 5.2 | 3.4 | 1.8× the state |
| Injuries per crash | 0.18 | 0.13 | 0.49 | 1.4× the state |
| Garbage-truck share | 0.0% | 1.6% | 2.3% | 100% below the state |
| On snow, slush or ice | 33.9% | 28.6% | 6.2% | 1.2× the state |
| Morning rush (6–10 am) | 29.2% | 22.2% | 23.7% | 1.3× the state |
| In rain, sleet or snow | 15.4% | 17.5% | 13.8% | 12% below the state |
| Winter months (Nov–Mar) | 46.2% | 48.8% | 41.9% | same |
| After dark | 16.9% | 22.8% | 24.8% | 26% below the state |
Grant County sits below South Dakota on garbage-truck share, in rain, sleet or snow and after dark. It stands out for higher crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
Grant County at a glance: 0 garbage-truck share of crashes is 0.0%, against 1.6% for South Dakota.
Overview
Grant County has recorded 76 truck crashes since 2015, with 13 people injured and 6 killed.
Across the years with complete reporting, that is roughly one truck crash every 62 days.
Only 0 truck crashes were reported in Twin Brooks since 2015; patterns below come from Grant County as a whole.
When crashes happen
The worst month is June with 17.1% of truck crashes; the quietest is April at 2.6%.
November through March accounts for 46.2% of truck crashes here, compared with 48.8% in South Dakota.
More truck crashes happen at 8–9 am than at any other hour (13.2%).
Road surface: 33.9% of truck crashes were on snow, slush or ice (South Dakota: 28.6%).
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of Twin Brooks since 2015: SR-123 (1) and SR-15 (1). No single road stands out.
Garbage & waste trucks
Since 2015, no garbage-truck crashes were reported for Grant County.
Route planning tips for Twin Brooks fleets
- Review driver schedules for June, the month with the most truck crashes.
- Morning starts matter: 29.2% of truck crashes fall between 6 and 10 am, higher than South Dakota.
- With 33.9% of truck crashes on snow, slush or ice (above South Dakota), plan winter equipment checks early.
- 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 Grant County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-123 | 1 |
| SR-15 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Grant County) |
|---|---|
| I-29 | 20 |
| Sd Hwy 15 | 13 |
| US-12 | 12 |
| Ave | 9 |
| Sd Hwy 20 | 5 |
| 161St | 1 |
| Lloyd St | 1 |
| Railroad Ave | 1 |
Twin Brooks at a glance
| Population | 47 |
| Land area | 0.4 sq mi |
| Density | 116 per sq mi |
| Median household income (ZIP 57269) | $98,333 |
| Median home value (ZIP 57269) | $360,064 |
Waste facilities and haulers nearby
Historical data: truck crashes in Grant 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 | — | 0.3 |
| 2000s | 4 | +105% | 0.3 |
| 2010s | 5 | +24% | 0.4 |
| 2020s | 7 | +31% | 0.6 |
In the 1990s about 2 truck crashes a year were reported; in the 2020s, about 7. Reporting coverage also changed between these periods. Fatal large-truck crashes: 0.5 a year in 2016–19, 0.6 a year in 2020–24.
Nearby places
Questions fleets ask about Twin Brooks
How common are truck crashes in Twin Brooks?
Grant County has had 76 reported truck crashes since 2015, injuring 13 people and killing 6.
Which month has the most truck crashes in Twin Brooks?
June has the most truck crashes in Grant County, 17.1% of the yearly total.
How many garbage truck accidents happen in Twin Brooks?
Garbage trucks were involved in 0 reported crashes in Grant County since 2015 (0.0% of truck crashes).
How does Twin Brooks compare with South Dakota for truck crashes?
Grant County records 77.6 truck crashes per 100,000 residents a year, against 42.0 across South Dakota.
How do I plan a garbage truck route in Twin Brooks?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
2026 is a partial year. Updated October 2026.