Grant County, SD truck route planning & crash data
Plan safer truck routes in Grant 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 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 has lower values than South Dakota for garbage-truck share, in rain, sleet or snow and after dark. Where it is higher: crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
What stands out in Grant County: 0 garbage-truck share of crashes is 0.0%, against 1.6% for South Dakota.
Overview
Since 2015, 76 crashes involving commercial trucks have been reported in Grant County. They injured 13 people and killed 6.
That averages about one truck crash every 62 days in fully reported years.
When crashes happen
Truck crashes peak in June (17.1% of the year) and are lowest in April (2.6%).
Winter months (Nov–Mar) carry 46.2% of truck crashes, vs 48.8% for South Dakota.
By time of day, 8–9 am stands out with 13.2% of truck crashes.
33.9% of truck crashes here happened on snow, slush or ice, against 28.6% across South Dakota.
Where crashes happen
Fatal large-truck crashes in Grant County since 2015 were spread across roads: CR-149TH St (1), CR-166 St (1), CR-482ND Ave (1), SR-123 (1) and SR-15 (1).
Garbage & waste trucks
Since 2015, no garbage-truck crashes were reported for Grant County.
Route planning tips for Grant County 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.
- Icy and snowy roads show up in 33.9% of truck crashes here, more than South Dakota; schedule winter checks early.
- 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 Grant County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (in Grant County) |
|---|---|
| CR-149TH St | 1 |
| CR-166 St | 1 |
| CR-482ND Ave | 1 |
| 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 |
Grant County at a glance
| Population | 7,618 |
| Land area | 681.4 sq mi |
| Density | 11 per sq mi |
| Median household income (ZIP average) | $75,111 |
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 |
From the 1990s to the 2020s, yearly reported truck crashes went from 2 to 7. Some of the change may reflect how crashes were reported. NHTSA counts 0.5 fatal large-truck crashes a year in 2016–19 and 0.6 a year in 2020–24.
Cities, towns & communities in Grant County
ZIP codes in Grant County
Nearby counties
Questions fleets ask about Grant County
How many truck accidents are there in Grant County?
Grant County has had 76 reported truck crashes since 2015, injuring 13 people and killing 6.
When do most truck crashes happen in Grant County?
June has the most truck crashes in Grant County, 17.1% of the yearly total.
How many garbage truck crashes are there in Grant County?
Garbage trucks were involved in 0 reported crashes in Grant County since 2015 (0.0% of truck crashes).
How does Grant County compare with South Dakota for truck crashes?
The yearly rate is 77.6 truck crashes per 100,000 residents in Grant County, vs 42.0 for South Dakota.
How can I plan a safer truck route in Grant 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.