Greenfield, Kern County, CA truck route planning & crash data
Plan safer truck routes in Greenfield, Kern County: commercial truck and garbage truck crashes in Greenfield, Kern County and Kern County, dangerous roads, seasonality and route safety data for fleets. Patterns use Kern County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
9.0 deaths per 100 garbage-truck crashes vs 5.7 for all trucks.
Deadliest roads
How Kern County compares with California
Kern County against California and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Kern County stands out
Full comparison
| Measure (2015–2025) | Kern County | California | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 68.6 | 33.2 | 49.7 | 2.1× the state |
| Deaths per 100 crashes | 5.7 | 3.6 | 3.4 | 1.6× the state |
| Injuries per crash | 0.47 | 0.44 | 0.49 | same |
| Garbage-truck share | 1.0% | 1.6% | 2.3% | 41% below the state |
| On snow, slush or ice | 0.9% | 0.9% | 6.2% | same |
| Morning rush (6–10 am) | 20.6% | 23.5% | 23.7% | 12% below the state |
| In rain, sleet or snow | 5.1% | 6.5% | 13.8% | 21% below the state |
| Winter months (Nov–Mar) | 39.3% | 40.2% | 41.9% | same |
| After dark | 34.6% | 29.1% | 24.8% | 1.2× the state |
Compared with California, Kern County is lower on garbage-truck share, morning rush (6–10 am) and in rain, sleet or snow. It stands out for higher crashes per 100k residents / yr, deaths per 100 crashes and after dark.
What stands out in Kern County: December more garbage-truck crashes happen in December than in any other month (17%).
Overview
Police reported 7,248 crashes involving commercial trucks in Kern County since 2015: 3,414 people were injured and 403 were killed.
In complete reporting years that works out to about 2 truck crashes a day.
Only 0 truck crashes were reported in Greenfield, Kern County since 2015; patterns below come from Kern County as a whole.
When crashes happen
The worst month is August with 9.4% of truck crashes; the quietest is February at 7.1%.
The five winter months (November to March) hold 39.3% of truck crashes, against 40.2% across California.
More truck crashes happen at 3–4 pm than at any other hour (6.5%).
0.9% of truck crashes here happened on snow, slush or ice, against 0.9% across California.
Where crashes happen
Within this area, SR-99 had the most fatal crashes involving a large truck since 2015 (20). Next come SR-58 (6), SR-119 (4) and SR-184 (4).
Garbage & waste trucks
69 crashes involved a garbage or refuse truck, a 1.0% share (California: 1.6%).
Garbage-truck crashes peak in December (17% of them).
Per 100 crashes, garbage trucks recorded 9.0 deaths compared with 5.7 for all trucks.
Route planning tips for Greenfield, Kern County fleets
- Build extra time into August routes: it has the most truck crashes here.
- Where you can, review stops along SR-99; it has the most fatal large-truck crashes nearby.
- Waste haulers: December is the peak month for garbage-truck crashes in Kern County.
- 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 Kern County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-99 | 20 |
| SR-58 | 6 |
| SR-119 | 4 |
| SR-184 | 4 |
| SR-223 | 4 |
| I-5 | 3 |
| Old River Rd | 3 |
| CR-DI Giorgio Rd | 2 |
| California Ave | 2 |
| Chester Ave | 2 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Kern County) |
|---|---|
| Sr-99 N/B | 31 |
| Sr-58 W/B | 23 |
| I-5 | 22 |
| Sr-58 E/B | 21 |
| SR-58 | 20 |
| Sr-99 S/B | 17 |
| SR-99 | 17 |
| SR-223 | 11 |
Greenfield, Kern County at a glance
| Land area | 1.3 sq mi |
Waste facilities and haulers nearby
Historical data: truck crashes in Kern 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 | — | 23.6 |
| 2000s | 398 | +7854% | 20.5 |
| 2010s | 543 | +37% | 21.7 |
| 2020s | 659 | +21% | 28.2 |
In the 1990s about 5 truck crashes a year were reported; in the 2020s, about 659. Reporting coverage also changed between these periods. Fatal large-truck crashes: 25.0 a year in 2016–19, 28.2 a year in 2020–24.
Nearby places
Questions fleets ask about Greenfield, Kern County
How many truck crashes happen in Greenfield, Kern County?
Kern County has had 7,248 reported truck crashes since 2015, injuring 3,414 people and killing 403.
Where do fatal truck crashes happen most in Greenfield, Kern County?
Since 2015, SR-99 has had the most fatal large-truck crashes within 10 miles of Greenfield: 20.
When do most truck crashes happen in Greenfield, Kern County?
Truck crashes in Kern County peak in August, with 9.4% of the year's crashes.
How many garbage truck crashes are there in Greenfield, Kern County?
Since 2015, Kern County has reported 69 garbage-truck crashes, or 1.0% of its truck crashes.
How does Greenfield, Kern County compare with California for truck crashes?
Per 100,000 residents, Kern County has 68.6 truck crashes a year; California has 33.2.
How do I plan a garbage truck route in Greenfield, Kern 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.