Dewey County, OK truck route planning & crash data
Plan safer truck routes in Dewey 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
1 of 178 truck crashes since 2015.
Deadliest roads
How Dewey County compares with Oklahoma
Dewey County against Oklahoma and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Dewey County stands out
Full comparison
| Measure (2015–2025) | Dewey County | Oklahoma | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 360.0 | 79.3 | 49.7 | 4.5× the state |
| Deaths per 100 crashes | 10.1 | 4.1 | 3.4 | 2.5× the state |
| Injuries per crash | 0.46 | 0.44 | 0.49 | same |
| Garbage-truck share | 0.6% | 1.4% | 2.3% | 58% below the state |
| On snow, slush or ice | 4.1% | 5.3% | 6.2% | 21% below the state |
| Morning rush (6–10 am) | 22.5% | 22.6% | 23.7% | same |
| In rain, sleet or snow | 6.5% | 12.8% | 13.8% | 49% below the state |
| Winter months (Nov–Mar) | 29.6% | 40.4% | 41.9% | 27% below the state |
| After dark | 30.2% | 25.4% | 24.8% | 1.2× the state |
Compared with Oklahoma, Dewey County is lower on garbage-truck share, on snow, slush or ice and in rain, sleet or snow. It stands out for higher crashes per 100k residents / yr, deaths per 100 crashes and after dark.
What stands out in Dewey County: 10.1 deaths per 100 truck crashes, vs 4.1 in Oklahoma.
Overview
Dewey County has recorded 178 truck crashes since 2015, with 80 people injured and 18 killed.
Across the years with complete reporting, that is roughly one truck crash every 24 days.
When crashes happen
October has the most truck crashes, 13.5% of the yearly total, while March has the fewest (4.5%).
The five winter months (November to March) hold 29.6% of truck crashes, against 40.4% across Oklahoma.
More truck crashes happen at 1–2 pm than at any other hour (10.7%).
4.1% of truck crashes here happened on snow, slush or ice, against 5.3% across Oklahoma.
Where crashes happen
The deadliest road for trucks in Dewey County is US-270, with 5 fatal large-truck crashes since 2015. It is followed by US-60 (2), CR-E0660 (1) and US-183 (1).
Garbage & waste trucks
1 crash involved a garbage or refuse truck, a 0.6% share (Oklahoma: 1.4%).
Route planning tips for Dewey County fleets
- Build extra time into October routes: it has the most truck crashes here.
- Check whether your routes use US-270, the road with the most fatal truck crashes in this area.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Dewey County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (in Dewey County) |
|---|---|
| US-270 | 5 |
| US-60 | 2 |
| CR-E0660 | 1 |
| US-183 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Dewey County) |
|---|---|
| US-270 | 49 |
| US-60 | 31 |
| US-183 | 26 |
| Sh-51 | 4 |
| United States Highway 270 | 4 |
| Ok-47 | 3 |
| Sh-34 | 3 |
| E 730 Rd | 2 |
Dewey County at a glance
| Population | 4,268 |
| Land area | 999.6 sq mi |
| Density | 4 per sq mi |
| Median household income (ZIP average) | $64,264 |
Waste facilities and haulers nearby
Historical data: truck crashes in Dewey 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 | 3 | — | 0.5 |
| 2000s | 7 | +119% | 0.5 |
| 2010s | 16 | +118% | 1.2 |
| 2020s | 14 | -13% | 1.0 |
In the 1990s about 3 truck crashes a year were reported; in the 2020s, about 14. Reporting coverage also changed between these periods. Fatal crashes involving a large truck averaged 0.8 a year in 2016–19 and 1.0 a year in 2020–24.
Cities, towns & communities in Dewey County
ZIP codes in Dewey County
Nearby counties
Questions fleets ask about Dewey County
How many truck accidents are there in Dewey County?
Since 2015, 178 crashes involving commercial trucks were reported in Dewey County (80 injured, 18 killed).
Which road has the most fatal truck crashes in Dewey County?
US-270 had 5 fatal crashes involving a large truck in Dewey County since 2015, more than any other road.
What is the worst month for truck crashes in Dewey County?
Truck crashes in Dewey County peak in October, with 13.5% of the year's crashes.
Are garbage truck crashes common in Dewey County?
Since 2015, Dewey County has reported 1 garbage-truck crash, or 0.6% of its truck crashes.
How do truck crashes in Dewey County compare with Oklahoma?
Dewey County records 360.0 truck crashes per 100,000 residents a year, against 79.3 across Oklahoma.
How can I plan a safer truck route in Dewey County?
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.