Harper County, OK truck route planning & crash data
Plan safer truck routes in Harper 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 80 truck crashes since 2015.
Deadliest roads
How Harper County compares with Oklahoma
Harper County against Oklahoma and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Harper County stands out
Full comparison
| Measure (2015–2025) | Harper County | Oklahoma | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 204.0 | 79.3 | 49.7 | 2.6× the state |
| Deaths per 100 crashes | 6.9 | 4.1 | 3.4 | 1.7× the state |
| Injuries per crash | 0.51 | 0.44 | 0.49 | 1.2× the state |
| Garbage-truck share | 0.0% | 1.4% | 2.3% | 100% below the state |
| On snow, slush or ice | 2.8% | 5.3% | 6.2% | 47% below the state |
| Morning rush (6–10 am) | 22.2% | 22.6% | 23.7% | same |
| In rain, sleet or snow | 5.6% | 12.8% | 13.8% | 57% below the state |
| Winter months (Nov–Mar) | 37.5% | 40.4% | 41.9% | 7% below the state |
| After dark | 40.3% | 25.4% | 24.8% | 1.6× the state |
Harper County has lower values than Oklahoma for garbage-truck share, on snow, slush or ice and in rain, sleet or snow. It runs above Oklahoma on crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
What stands out in Harper County: 0 of truck crashes here involve garbage trucks: 0.0%, vs 1.4% in Oklahoma.
Overview
Police reported 80 crashes involving commercial trucks in Harper County since 2015: 41 people were injured and 5 were killed.
That averages about one truck crash every 56 days in fully reported years.
When crashes happen
Truck crashes peak in March (16.2% of the year) and are lowest in February (3.8%).
The five winter months (November to March) hold 37.5% of truck crashes, against 40.4% across Oklahoma.
The busiest hour is 2–3 pm, with 8.8% of truck crashes.
2.8% of truck crashes here happened on snow, slush or ice, against 5.3% across Oklahoma.
Where crashes happen
Fatal large-truck crashes in Harper County since 2015 were spread across roads: US-183 (2), US-270 (1) and US-283 (1).
Garbage & waste trucks
FMCSA lists no garbage-truck crashes in Harper County since 2015.
Route planning tips for Harper County fleets
- Build extra time into March routes: it has the most truck crashes here.
- 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 Harper County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (in Harper County) |
|---|---|
| US-183 | 2 |
| US-270 | 1 |
| US-283 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Harper County) |
|---|---|
| US-270 | 17 |
| US-64 | 14 |
| US-183 | 13 |
| US-283 | 9 |
| Sh-34 | 5 |
| Sh-46 | 5 |
| United States 183 | 3 |
| State Highway 34 | 2 |
Harper County at a glance
| Population | 3,209 |
| Land area | 1,038.6 sq mi |
| Density | 3 per sq mi |
| Median household income (ZIP average) | $71,209 |
Historical data: truck crashes in Harper 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 | 4 | — | 0.5 |
| 2000s | 6 | +50% | 0.6 |
| 2010s | 8 | +31% | 0.6 |
| 2020s | 6 | -14% | 0.4 |
Reported truck crashes averaged 4 a year in the 1990s and 6 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 0.4 a year in 2020–24.
Cities, towns & communities in Harper County
ZIP codes in Harper County
Nearby counties
Questions fleets ask about Harper County
How many truck accidents are there in Harper County?
Since 2015, 80 crashes involving commercial trucks were reported in Harper County (41 injured, 5 killed).
Which month has the most truck crashes in Harper County?
The worst month is March: 16.2% of truck crashes in Harper County happen then.
Are garbage truck crashes common in Harper County?
Since 2015, Harper County has reported 0 garbage-truck crashes, or 0.0% of its truck crashes.
What is the truck crash rate in Harper County compared with Oklahoma?
The yearly rate is 204.0 truck crashes per 100,000 residents in Harper County, vs 79.3 for Oklahoma.
What is the best way to plan truck routes in Harper 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.