Mountain Mesa, CA truck route planning & crash data
Plan safer truck routes in Mountain Mesa: commercial truck and garbage truck crashes in Mountain Mesa 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 |
Kern County has lower values than California for garbage-truck share, morning rush (6–10 am) and in rain, sleet or snow. Where it is higher: crashes per 100k residents / yr, deaths per 100 crashes and after dark.
Kern County at a glance: December more garbage-truck crashes happen in December than in any other month (17%).
Overview
Since 2015, 7,248 crashes involving commercial trucks have been reported in Kern County. They injured 3,414 people and killed 403.
Across the years with complete reporting, that is roughly 2 truck crashes every day.
With 0 truck crashes reported in Mountain Mesa since 2015, this page uses Kern County numbers for its patterns and comparisons.
When crashes happen
Truck crashes peak in August (9.4% of the year) and are lowest in February (7.1%).
The five winter months (November to March) hold 39.3% of truck crashes, against 40.2% across California.
The busiest hour is 3–4 pm, with 6.5% of truck crashes.
Road surface: 0.9% of truck crashes were on snow, slush or ice (California: 0.9%).
Where crashes happen
Within this area, SR-178 had the most fatal crashes involving a large truck since 2015 (4). Next come SR-155 (1).
Garbage & waste trucks
Garbage trucks account for 69 of the truck crashes here, or 1.0%, compared with 1.6% in California.
The most garbage-truck crashes happen in December (17%).
They recorded 9.0 deaths per 100 crashes, against 5.7 for all trucks.
Route planning tips for Mountain Mesa fleets
- Build extra time into August routes: it has the most truck crashes here.
- Look at alternatives to SR-178 at busy times: it leads this area in fatal truck crashes.
- For residential and commercial waste routes, look again at December schedules: garbage-truck crashes peak then.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Kern County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-178 | 4 |
| SR-155 | 1 |
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 |
Mountain Mesa at a glance
| Land area | 0.9 sq mi |
| Median household income (ZIP 93240) | $31,267 |
| Median home value (ZIP 93240) | $195,920 |
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 |
From the 1990s to the 2020s, yearly reported truck crashes went from 5 to 659. Some of the change may reflect how crashes were reported. NHTSA counts 25.0 fatal large-truck crashes a year in 2016–19 and 28.2 a year in 2020–24.
Nearby places
Questions fleets ask about Mountain Mesa
How many truck crashes happen in Mountain Mesa?
7,248 truck crashes have been reported in Kern County since 2015, with 403 deaths and 3,414 injuries.
Which road has the most fatal truck crashes in Mountain Mesa?
Since 2015, SR-178 has had the most fatal large-truck crashes within 10 miles of Mountain Mesa: 4.
When do most truck crashes happen in Mountain Mesa?
Truck crashes in Kern County peak in August, with 9.4% of the year's crashes.
How many garbage truck crashes are there in Mountain Mesa?
Since 2015, Kern County has reported 69 garbage-truck crashes, or 1.0% of its truck crashes.
What is the truck crash rate in Mountain Mesa compared with California?
Kern County records 68.6 truck crashes per 100,000 residents a year, against 33.2 across California.
How can I plan a safer truck route in Mountain Mesa?
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.