Siskiyou County, CA truck route planning & crash data
Plan safer truck routes in Siskiyou 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
2 of 627 truck crashes since 2015.
Deadliest roads
How Siskiyou County compares with California
Siskiyou County against California and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Siskiyou County stands out
Full comparison
| Measure (2015–2025) | Siskiyou County | California | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 127.9 | 33.2 | 49.7 | 3.9× the state |
| Deaths per 100 crashes | 5.5 | 3.6 | 3.4 | 1.5× the state |
| Injuries per crash | 0.42 | 0.44 | 0.49 | same |
| Garbage-truck share | 0.3% | 1.6% | 2.3% | 80% below the state |
| On snow, slush or ice | 18.7% | 0.9% | 6.2% | 20.1× the state |
| Morning rush (6–10 am) | 19.6% | 23.5% | 23.7% | 17% below the state |
| In rain, sleet or snow | 20.4% | 6.5% | 13.8% | 3.1× the state |
| Winter months (Nov–Mar) | 46.3% | 40.2% | 41.9% | 1.2× the state |
| After dark | 36.8% | 29.1% | 24.8% | 1.3× the state |
Siskiyou County sits below California on 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.
Siskiyou County at a glance: 18.7% share of truck crashes on snow, slush or ice (California: 0.9%).
Overview
Police reported 627 crashes involving commercial trucks in Siskiyou County since 2015: 268 people were injured and 33 were killed.
Across the years with complete reporting, that is roughly one truck crash every 7 days.
When crashes happen
Truck crashes peak in January (10.7% of the year) and are lowest in April (5.1%).
Winter months (Nov–Mar) carry 46.3% of truck crashes, vs 40.2% for California.
By time of day, 2–3 pm stands out with 6.9% of truck crashes.
18.7% of truck crashes here happened on snow, slush or ice, against 0.9% across California.
Where crashes happen
Within this area, I-5 had the most fatal crashes involving a large truck since 2015 (10). After it: US-97 (6), SR-89 (2) and Fort Jones Rd (1).
Garbage & waste trucks
2 crashes involved a garbage or refuse truck, a 0.3% share (California: 1.6%).
Route planning tips for Siskiyou County fleets
- Plan January schedules with more margin; it is the worst month for truck crashes in Siskiyou County.
- Look at alternatives to I-5 at busy times: it leads this area in fatal truck crashes.
- 18.7% of truck crashes were on snow, slush or ice, above California; plan winter equipment checks before the season.
- 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 Siskiyou County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (in Siskiyou County) |
|---|---|
| I-5 | 10 |
| US-97 | 6 |
| SR-89 | 2 |
| Fort Jones Rd | 1 |
| Old Hwy 99 | 1 |
| Old Westside Rd | 1 |
| SR-139 | 1 |
| SR-161 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Siskiyou County) |
|---|---|
| US-97 | 5 |
| I-5 | 3 |
| United States Highway 97 | 3 |
| SR-97 | 3 |
| SR-96 | 3 |
| Rt97/.3M N/Horse Thief Creed Rd | 3 |
| Rt5/378Ft S Azalea Rd | 3 |
| Rt5 Sb/224Ft N Edgewood U/C | 3 |
Siskiyou County at a glance
| Population | 42,498 |
| Land area | 6,278.8 sq mi |
| Density | 7 per sq mi |
| Median household income (ZIP average) | $60,186 |
Waste facilities and haulers nearby
Historical data: truck crashes in Siskiyou 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 | — | — | 1.8 |
| 2000s | 36 | — | 1.5 |
| 2010s | 43 | +19% | 1.9 |
| 2020s | 61 | +42% | 2.6 |
Reported truck crashes averaged 36 a year in the 2000s and 61 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 2.2 fatal large-truck crashes a year in 2016–19 and 2.6 a year in 2020–24.
Cities, towns & communities in Siskiyou County
ZIP codes in Siskiyou County
Nearby counties
Questions fleets ask about Siskiyou County
How many truck crashes happen in Siskiyou County?
Siskiyou County has had 627 reported truck crashes since 2015, injuring 268 people and killing 33.
Which road has the most fatal truck crashes in Siskiyou County?
NHTSA data shows I-5 with 10 fatal large-truck crashes in Siskiyou County since 2015, the highest of any road.
What is the worst month for truck crashes in Siskiyou County?
January has the most truck crashes in Siskiyou County, 10.7% of the yearly total.
How many garbage truck accidents happen in Siskiyou County?
Since 2015, Siskiyou County has reported 2 garbage-truck crashes, or 0.3% of its truck crashes.
What is the truck crash rate in Siskiyou County compared with California?
Siskiyou County records 127.9 truck crashes per 100,000 residents a year, against 33.2 across California.
What is the best way to plan truck routes in Siskiyou County?
The free Route Planner takes your stops and returns a route risk score, safer alternatives and low-bridge warnings.
2026 is a partial year. Updated October 2026.