Schriever, SD truck route planning & crash data
Plan safer truck routes in Schriever: commercial truck and garbage truck crashes in Schriever and Gregory County, dangerous roads, seasonality and route safety data for fleets. Patterns use Gregory County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
0 of 36 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Gregory County compares with South Dakota
Gregory County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Gregory County stands out
Full comparison
| Measure (2015–2025) | Gregory County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 73.0 | 42.0 | 49.7 | 1.7× the state |
| Deaths per 100 crashes | 3.0 | 5.2 | 3.4 | 42% below the state |
| Injuries per crash | 0.39 | 0.13 | 0.49 | 3.0× the state |
| Garbage-truck share | 0.0% | 1.6% | 2.3% | 100% below the state |
| On snow, slush or ice | 27.3% | 28.6% | 6.2% | same |
| Morning rush (6–10 am) | 33.3% | 22.2% | 23.7% | 1.5× the state |
| In rain, sleet or snow | 15.2% | 17.5% | 13.8% | 14% below the state |
| Winter months (Nov–Mar) | 72.7% | 48.8% | 41.9% | 1.5× the state |
| After dark | 39.4% | 22.8% | 24.8% | 1.7× the state |
Gregory County sits below South Dakota on deaths per 100 crashes, garbage-truck share and in rain, sleet or snow. Where it is higher: crashes per 100k residents / yr, injuries per crash and morning rush (6–10 am).
The headline for Gregory County: January worst month: 30.6% of truck crashes, vs 8.3% in an average month.
Overview
Gregory County has recorded 36 truck crashes since 2015, with 13 people injured and 1 killed.
In complete reporting years that works out to about one truck crash every 122 days.
With 0 truck crashes reported in Schriever since 2015, this page uses Gregory County numbers for its patterns and comparisons.
When crashes happen
January has the most truck crashes, 30.6% of the yearly total, while April has the fewest (0.0%).
November through March accounts for 72.7% of truck crashes here, compared with 48.8% in South Dakota.
More truck crashes happen at 9–10 am than at any other hour (13.9%).
Road surface: 27.3% of truck crashes were on snow, slush or ice (South Dakota: 28.6%).
Where crashes happen
Since 2015, no fatal large-truck crashes with a location were recorded within 10 miles of Schriever.
Garbage & waste trucks
Since 2015, no garbage-truck crashes were reported for Gregory County.
Route planning tips for Schriever fleets
- Build extra time into January routes: it has the most truck crashes here.
- 33.3% of truck crashes happen between 6 and 10 am, above South Dakota; consider earlier or later starts where possible.
- 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 Gregory 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 (Gregory County) |
|---|---|
| US-18 | 22 |
| Sd Hwy 44 | 8 |
| US-281 | 3 |
| Lucas Rd | 1 |
| Sd Hwy 47 | 1 |
Schriever at a glance
| Population | 41 |
| Land area | 23.8 sq mi |
| Density | 2 per sq mi |
| Median household income (ZIP 57317) | $50,833 |
| Median home value (ZIP 57317) | $92,307 |
Waste facilities and haulers nearby
Historical data: truck crashes in Gregory 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 | — | 0.2 |
| 2000s | 2 | -5% | 0.4 |
| 2010s | 3 | +53% | 0.2 |
| 2020s | 4 | +26% | 0.0 |
Reported truck crashes averaged 2 a year in the 1990s and 4 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 0.2 fatal large-truck crashes a year in 2016–19 and 0.0 a year in 2020–24.
Nearby places
Questions fleets ask about Schriever
How many truck crashes happen in Schriever?
Gregory County has had 36 reported truck crashes since 2015, injuring 13 people and killing 1.
What is the worst month for truck crashes in Schriever?
January has the most truck crashes in Gregory County, 30.6% of the yearly total.
How many garbage truck crashes are there in Schriever?
0 crashes involving garbage or refuse trucks have been reported in Gregory County since 2015, 0.0% of all truck crashes.
How does Schriever compare with South Dakota for truck crashes?
Gregory County records 73.0 truck crashes per 100,000 residents a year, against 42.0 across South Dakota.
How do I plan a garbage truck route in Schriever?
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.