Alleghany, CA truck route planning & crash data
Plan safer truck routes in Alleghany: commercial truck and garbage truck crashes in Alleghany and Sierra County, dangerous roads, seasonality and route safety data for fleets. Patterns use Sierra County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
0 of 49 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Sierra County compares with California
Sierra County against California and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Sierra County stands out
Full comparison
| Measure (2015–2025) | Sierra County | California | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 137.3 | 33.2 | 49.7 | 4.1× the state |
| Deaths per 100 crashes | 4.3 | 3.6 | 3.4 | 1.2× the state |
| Injuries per crash | 0.34 | 0.44 | 0.49 | 23% below the state |
| Garbage-truck share | 0.0% | 1.6% | 2.3% | 100% below the state |
| On snow, slush or ice | 17.0% | 0.9% | 6.2% | 18.3× the state |
| Morning rush (6–10 am) | 14.9% | 23.5% | 23.7% | 37% below the state |
| In rain, sleet or snow | 12.8% | 6.5% | 13.8% | 2.0× the state |
| Winter months (Nov–Mar) | 34.0% | 40.2% | 41.9% | 15% below the state |
| After dark | 25.5% | 29.1% | 24.8% | 12% below the state |
Compared with California, Sierra County is lower on injuries per crash, garbage-truck share and morning rush (6–10 am). It runs above California on crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice.
What stands out in Sierra County: 17.0% on snowy, slushy or icy roads, against 0.9% across California.
Overview
Police reported 49 crashes involving commercial trucks in Sierra County since 2015: 17 people were injured and 2 were killed.
Across the years with complete reporting, that is roughly one truck crash every 85 days.
Only 0 truck crashes were reported in Alleghany since 2015; patterns below come from Sierra County as a whole.
When crashes happen
Truck crashes peak in June (16.3% of the year) and are lowest in March (2.0%).
November through March accounts for 34.0% of truck crashes here, compared with 40.2% in California.
The busiest hour is 5–6 am, with 10.2% of truck crashes.
Road surface: 17.0% of truck crashes were on snow, slush or ice (California: 0.9%).
Where crashes happen
No fatal crash involving a large truck has a recorded location within 10 miles of Alleghany since 2015.
Garbage & waste trucks
Since 2015, no garbage-truck crashes were reported for Sierra County.
Route planning tips for Alleghany fleets
- Build extra time into June routes: it has the most truck crashes here.
- With 17.0% of truck crashes on snow, slush or ice (above California), plan winter equipment checks early.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
About the data
Sources: the FMCSA crash file for all reported truck crashes and NHTSA FARS for fatal crashes with a large truck. Every statement here comes straight from those numbers.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Sierra County
By hour of day
Most dangerous roads for trucks
No fatal crashes involving a large truck with a road name were recorded within 10 miles since 2015.
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Sierra County) |
|---|---|
| Rt80/200Ft E Solano/Coco Co Line | 2 |
| I-80 | 1 |
| Jackson Meadows Rd/2.7M W Rt89 | 1 |
| Ridge Road | 1 |
| Rt 49 / 0.3 Miles South Of Loganville Lane | 1 |
| Rt 49/.1Mi S Of Loganville Ln | 1 |
| Rt 80/.6Mi W Of California Nevada Stateline | 1 |
| Rt 80/2.5Mi E Of Farad | 1 |
Alleghany at a glance
| Land area | 0.3 sq mi |
Waste facilities and haulers nearby
Historical data: truck crashes in Sierra 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 | — | — | 0.1 |
| 2000s | 3 | — | 0.0 |
| 2010s | 4 | +35% | 0.2 |
| 2020s | 4 | -5% | 0.2 |
Reported truck crashes averaged 3 a year in the 2000s and 4 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 0.2 a year in 2016–19 and 0.2 a year in 2020–24.
Nearby places
Questions fleets ask about Alleghany
How common are truck crashes in Alleghany?
49 truck crashes have been reported in Sierra County since 2015, with 2 deaths and 17 injuries.
When do most truck crashes happen in Alleghany?
The worst month is June: 16.3% of truck crashes in Sierra County happen then.
Are garbage truck crashes common in Alleghany?
Garbage trucks were involved in 0 reported crashes in Sierra County since 2015 (0.0% of truck crashes).
How do truck crashes in Alleghany compare with California?
Sierra County records 137.3 truck crashes per 100,000 residents a year, against 33.2 across California.
What is the best way to plan truck routes in Alleghany?
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.