Niobrara County, WY truck route planning & crash data
Plan safer truck routes in Niobrara 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 95 truck crashes since 2015.
Deadliest roads
How Niobrara County compares with Wyoming
Niobrara County against Wyoming and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Niobrara County stands out
Full comparison
| Measure (2015–2025) | Niobrara County | Wyoming | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 343.7 | 187.2 | 49.7 | 1.8× the state |
| Deaths per 100 crashes | 3.4 | 4.5 | 3.4 | 24% below the state |
| Injuries per crash | 0.31 | 0.43 | 0.49 | 28% below the state |
| Garbage-truck share | 0.0% | 0.4% | 2.3% | 100% below the state |
| On snow, slush or ice | 24.1% | 45.1% | 6.2% | 47% below the state |
| Morning rush (6–10 am) | 25.3% | 23.4% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 16.1% | 25.0% | 13.8% | 36% below the state |
| Winter months (Nov–Mar) | 44.8% | 59.3% | 41.9% | 24% below the state |
| After dark | 29.9% | 32.8% | 24.8% | 9% below the state |
Niobrara County sits below Wyoming on deaths per 100 crashes, injuries per crash and garbage-truck share. It stands out for higher crashes per 100k residents / yr and morning rush (6–10 am).
Niobrara County at a glance: 0 garbage-truck share of crashes is 0.0%, against 0.4% for Wyoming.
Overview
Niobrara County has recorded 95 truck crashes since 2015, with 30 people injured and 6 killed.
That averages about one truck crash every 46 days in fully reported years.
When crashes happen
The worst month is April with 13.7% of truck crashes; the quietest is October at 5.3%.
The five winter months (November to March) hold 44.8% of truck crashes, against 59.3% across Wyoming.
More truck crashes happen at 6–7 am than at any other hour (9.5%).
24.1% of truck crashes here happened on snow, slush or ice, against 45.1% across Wyoming.
Where crashes happen
US-18 leads in Niobrara County with 3 fatal crashes involving a large truck since 2015. It is followed by US-85 (2).
Garbage & waste trucks
No crashes involving garbage or refuse trucks have been reported in Niobrara County since 2015.
Route planning tips for Niobrara County fleets
- Review driver schedules for April, the month with the most truck crashes.
- Look at alternatives to US-18 at busy times: it leads this area in fatal truck crashes.
- Morning starts matter: 25.3% of truck crashes fall between 6 and 10 am, higher than Wyoming.
- 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 Niobrara County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (in Niobrara County) |
|---|---|
| US-18 | 3 |
| US-85 | 2 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Niobrara County) |
|---|---|
| Us 18/ Us 85 | 2 |
| Us 18/Us 20 Mp 21.40 | 2 |
| Us 18/Us 85 | 2 |
| Us 18/Us 85 Mp 157.48 | 2 |
| Us 20 Mp 47.1 | 2 |
| Us 85 Mp 193.5 | 2 |
| Us 85/Wy 18/20 | 2 |
| 5Th St/Wy 270 | 1 |
Niobrara County at a glance
| Population | 2,301 |
| Land area | 2,626.0 sq mi |
| Density | 1 per sq mi |
| Median household income (ZIP average) | $61,787 |
Waste facilities and haulers nearby
Historical data: truck crashes in Niobrara 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 | 5 | — | 0.3 |
| 2000s | 6 | +31% | 0.3 |
| 2010s | 7 | +9% | 0.5 |
| 2020s | 7 | +5% | 0.4 |
Reported truck crashes averaged 5 a year in the 1990s and 7 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal crashes involving a large truck averaged 0.8 a year in 2016–19 and 0.4 a year in 2020–24.
Cities, towns & communities in Niobrara County
ZIP codes in Niobrara County
Nearby counties
Questions fleets ask about Niobrara County
How many truck accidents are there in Niobrara County?
Niobrara County has had 95 reported truck crashes since 2015, injuring 30 people and killing 6.
Where do fatal truck crashes happen most in Niobrara County?
US-18 had 3 fatal crashes involving a large truck in Niobrara County since 2015, more than any other road.
What is the worst month for truck crashes in Niobrara County?
April has the most truck crashes in Niobrara County, 13.7% of the yearly total.
Are garbage truck crashes common in Niobrara County?
Garbage trucks were involved in 0 reported crashes in Niobrara County since 2015 (0.0% of truck crashes).
How do truck crashes in Niobrara County compare with Wyoming?
The yearly rate is 343.7 truck crashes per 100,000 residents in Niobrara County, vs 187.2 for Wyoming.
How can I plan a safer truck route in Niobrara 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.