Buffalo, WY truck route planning & crash data
Plan safer truck routes in Buffalo: commercial truck and garbage truck crashes in Buffalo and Johnson County, dangerous roads, seasonality and route safety data for fleets. Patterns use Johnson County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
0 of 227 truck crashes since 2015.
Deadliest roads
How Johnson County compares with Wyoming
Johnson County against Wyoming and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Johnson County stands out
Full comparison
| Measure (2015–2025) | Johnson County | Wyoming | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 224.1 | 187.2 | 49.7 | 1.2× the state |
| Deaths per 100 crashes | 3.2 | 4.5 | 3.4 | 29% below the state |
| Injuries per crash | 0.22 | 0.43 | 0.49 | 49% below the state |
| Garbage-truck share | 0.0% | 0.4% | 2.3% | 100% below the state |
| On snow, slush or ice | 41.0% | 45.1% | 6.2% | 9% below the state |
| Morning rush (6–10 am) | 23.5% | 23.4% | 23.7% | same |
| In rain, sleet or snow | 28.6% | 25.0% | 13.8% | 1.1× the state |
| Winter months (Nov–Mar) | 53.0% | 59.3% | 41.9% | 11% below the state |
| After dark | 32.7% | 32.8% | 24.8% | same |
Johnson County has lower values than Wyoming for deaths per 100 crashes, injuries per crash and garbage-truck share. Where it is higher: crashes per 100k residents / yr and in rain, sleet or snow.
Johnson County at a glance: 0 crashes involve a garbage truck (0 since 2015), vs 0.4% across Wyoming.
Overview
Police reported 227 crashes involving commercial trucks in Johnson County since 2015: 53 people were injured and 7 were killed.
That averages about one truck crash every 19 days in fully reported years.
With 183 truck crashes reported in Buffalo since 2015, this page uses Johnson County numbers for its patterns and comparisons.
When crashes happen
Truck crashes peak in December (14.5% of the year) and are lowest in May (3.5%).
The five winter months (November to March) hold 53.0% of truck crashes, against 59.3% across Wyoming.
More truck crashes happen at 8–9 am than at any other hour (8.8%).
41.0% of truck crashes here happened on snow, slush or ice, against 45.1% across Wyoming.
Where crashes happen
Fatal large-truck crashes within 10 miles of Buffalo since 2015 were spread across roads: US-16 (1).
Garbage & waste trucks
FMCSA lists no garbage-truck crashes in Johnson County since 2015.
Route planning tips for Buffalo fleets
- Build extra time into December routes: it has the most truck crashes here.
- 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 Johnson County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-16 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Johnson County) |
|---|---|
| I-25 Mp 294.00 | 3 |
| Hwy 387 Mp 109 | 2 |
| I-25 Mp 240.39 | 2 |
| I-25 Mp 250.64 | 2 |
| I-25 Mp 263.34 | 2 |
| I-25 Mp 275.6 Parking Area | 2 |
| I-25 Mp 277.41 | 2 |
| I-25 Mp 293.69 | 2 |
Buffalo at a glance
| Population | 4,655 |
| Land area | 4.5 sq mi |
| Density | 1,025 per sq mi |
Waste facilities and haulers nearby
Historical data: truck crashes in Johnson 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 | — | 0.2 |
| 2000s | 15 | +50% | 1.0 |
| 2010s | 19 | +24% | 1.1 |
| 2020s | 22 | +16% | 0.6 |
From the 1990s to the 2020s, yearly reported truck crashes went from 10 to 22. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 1.0 a year in 2016–19 and 0.6 a year in 2020–24.
Nearby places
Questions fleets ask about Buffalo
How common are truck crashes in Buffalo?
Since 2015, 227 crashes involving commercial trucks were reported in Johnson County (53 injured, 7 killed).
When do most truck crashes happen in Buffalo?
December has the most truck crashes in Johnson County, 14.5% of the yearly total.
Are garbage truck crashes common in Buffalo?
Garbage trucks were involved in 0 reported crashes in Johnson County since 2015 (0.0% of truck crashes).
What is the truck crash rate in Buffalo compared with Wyoming?
Johnson County records 224.1 truck crashes per 100,000 residents a year, against 187.2 across Wyoming.
How can I plan a safer truck route in Buffalo?
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.