ZIP 57266 (Summit, SD) truck route planning & crash data
Plan safer truck routes around ZIP 57266: commercial truck and garbage truck crashes here and in Grant County, 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
No fatal large-truck crashes with a road name recorded here since 2015.
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.
In complete reporting years that works out to about one truck crash every 62 days.
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.
More truck crashes happen at 8–9 am than at any other hour (13.2%).
33.9% of truck crashes here happened on snow, slush or ice, against 28.6% across South Dakota.
Where crashes happen
NHTSA lists no located fatal large-truck crashes within 10 miles of ZIP 57266 since 2015.
Garbage & waste trucks
Since 2015, no garbage-truck crashes were reported for Grant County.
Route planning tips for ZIP 57266 fleets
- Plan June schedules with more margin; it is the worst month for truck crashes in Grant County.
- 29.2% of truck crashes happen between 6 and 10 am, above South Dakota; consider earlier or later starts where possible.
- Icy and snowy roads show up in 33.9% of truck crashes here, more than South Dakota; schedule winter checks early.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Grant County
By hour of day
Most dangerous roads for trucks
No fatal crashes involving a large truck with a road name were recorded within 10 miles since 2015.
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 |
ZIP 57266 at a glance
| Population | 626 |
| Density | 2 per sq mi |
| Median household income | $72,500 |
| Median home value | $152,290 |
| Home ownership | 74% |
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. Fatal large-truck crashes: 0.5 a year in 2016–19, 0.6 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 57266
How common are truck crashes in ZIP 57266?
Since 2015, 76 crashes involving commercial trucks were reported in Grant County (13 injured, 6 killed).
When do most truck crashes happen in ZIP 57266?
June has the most truck crashes in Grant County, 17.1% of the yearly total.
How many garbage truck crashes are there in ZIP 57266?
Since 2015, Grant County has reported 0 garbage-truck crashes, or 0.0% of its truck crashes.
What is the truck crash rate in ZIP 57266 compared with South Dakota?
Per 100,000 residents, Grant County has 77.6 truck crashes a year; South Dakota has 42.0.
How can I plan a safer truck route in ZIP 57266?
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.