Parkman, WY truck route planning & crash data
Plan safer truck routes in Parkman: commercial truck and garbage truck crashes in Parkman and Sheridan County, dangerous roads, seasonality and route safety data for fleets. Patterns use Sheridan County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
3 of 201 truck crashes since 2015.
Deadliest roads
How Sheridan County compares with Wyoming
Sheridan County against Wyoming and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Sheridan County stands out
Full comparison
| Measure (2015–2025) | Sheridan County | Wyoming | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 53.8 | 187.2 | 49.7 | 71% below the state |
| Deaths per 100 crashes | 2.6 | 4.5 | 3.4 | 42% below the state |
| Injuries per crash | 0.25 | 0.43 | 0.49 | 42% below the state |
| Garbage-truck share | 1.5% | 0.4% | 2.3% | 3.9× the state |
| On snow, slush or ice | 39.5% | 45.1% | 6.2% | 13% below the state |
| Morning rush (6–10 am) | 16.9% | 23.4% | 23.7% | 28% below the state |
| In rain, sleet or snow | 22.1% | 25.0% | 13.8% | 12% below the state |
| Winter months (Nov–Mar) | 53.3% | 59.3% | 41.9% | 10% below the state |
| After dark | 30.8% | 32.8% | 24.8% | same |
Sheridan County sits below Wyoming on crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash. It stands out for higher garbage-truck share.
What stands out in Sheridan County: 1 in 65 crashes involve a garbage truck (3 since 2015), vs 0.4% across Wyoming.
Overview
Sheridan County has recorded 201 truck crashes since 2015, with 49 people injured and 5 killed.
That averages about one truck crash every 21 days in fully reported years.
Only 0 truck crashes were reported in Parkman since 2015; patterns below come from Sheridan County as a whole.
When crashes happen
Truck crashes peak in January (13.4% of the year) and are lowest in April (5.0%).
Winter months (Nov–Mar) carry 53.3% of truck crashes, vs 59.3% for Wyoming.
More truck crashes happen at 4–5 pm than at any other hour (8.0%).
Snow, slush or ice was on the road in 39.5% of truck crashes, compared with 45.1% in Wyoming.
Where crashes happen
Fatal large-truck crashes within 10 miles of Parkman since 2015 were spread across roads: I-90Eb (1) and US-14 (1).
Garbage & waste trucks
Garbage trucks account for 3 of the truck crashes here, or 1.5%, compared with 0.4% in Wyoming.
Route planning tips for Parkman fleets
- Plan January schedules with more margin; it is the worst month for truck crashes in Sheridan County.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
About the data
This report uses the FMCSA crash file (reported crashes of trucks over 10,000 lb) and NHTSA FARS (fatal crashes). It reports the numbers without guessing at reasons.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Sheridan County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-90Eb | 1 |
| US-14 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Sheridan County) |
|---|---|
| I-90 Mp .2 | 3 |
| I-90 Mp 37.4 | 3 |
| Us 14 Mp 72.9 | 3 |
| 5Th St & I-90 Intchg 23 Wb Off | 2 |
| I-90 Intchg 16 Eb Off & Wy 339 | 2 |
| I-90 Mp 14.88 | 2 |
| I-90 Mp 26.75 | 2 |
| I-90 Mp 27 | 2 |
Parkman at a glance
| Land area | 9.6 sq mi |
| Median household income (ZIP 82839) | $57,708 |
Waste facilities and haulers nearby
Historical data: truck crashes in Sheridan 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 | 10 | — | 0.3 |
| 2000s | 13 | +30% | 0.5 |
| 2010s | 17 | +29% | 0.7 |
| 2020s | 18 | +3% | 0.2 |
In the 1990s about 10 truck crashes a year were reported; in the 2020s, about 18. Reporting coverage also changed between these periods. NHTSA counts 0.5 fatal large-truck crashes a year in 2016–19 and 0.2 a year in 2020–24.
Nearby places
Questions fleets ask about Parkman
How many truck crashes happen in Parkman?
Since 2015, 201 crashes involving commercial trucks were reported in Sheridan County (49 injured, 5 killed).
When do most truck crashes happen in Parkman?
Truck crashes in Sheridan County peak in January, with 13.4% of the year's crashes.
Are garbage truck crashes common in Parkman?
Garbage trucks were involved in 3 reported crashes in Sheridan County since 2015 (1.5% of truck crashes).
What is the truck crash rate in Parkman compared with Wyoming?
The yearly rate is 53.8 truck crashes per 100,000 residents in Sheridan County, vs 187.2 for Wyoming.
How do I plan a garbage truck route in Parkman?
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.