Greenfield, Monterey County, CA truck route planning & crash data
Plan safer truck routes in Greenfield, Monterey County: commercial truck and garbage truck crashes in Greenfield, Monterey County and Monterey County, dangerous roads, seasonality and route safety data for fleets. Patterns use Monterey County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
0.0 deaths per 100 garbage-truck crashes vs 3.9 for all trucks.
Deadliest roads
How Monterey County compares with California
Monterey County against California and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Monterey County stands out
Full comparison
| Measure (2015–2025) | Monterey County | California | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 33.1 | 33.2 | 49.7 | same |
| Deaths per 100 crashes | 3.9 | 3.6 | 3.4 | 1.1× the state |
| Injuries per crash | 0.42 | 0.44 | 0.49 | same |
| Garbage-truck share | 1.8% | 1.6% | 2.3% | 1.1× the state |
| On snow, slush or ice | 0.3% | 0.9% | 6.2% | 66% below the state |
| Morning rush (6–10 am) | 23.2% | 23.5% | 23.7% | same |
| In rain, sleet or snow | 4.7% | 6.5% | 13.8% | 28% below the state |
| Winter months (Nov–Mar) | 28.0% | 40.2% | 41.9% | 30% below the state |
| After dark | 24.5% | 29.1% | 24.8% | 16% below the state |
Monterey County sits below California on on snow, slush or ice, in rain, sleet or snow and winter months (nov–mar). Where it is higher: deaths per 100 crashes and garbage-truck share.
The headline for Monterey County: September worst month: 12.9% of truck crashes, vs 8.3% in an average month.
Overview
Since 2015, 1,633 crashes involving commercial trucks have been reported in Monterey County. They injured 697 people and killed 62.
Across the years with complete reporting, that is roughly one truck crash every 3 days.
With 17 truck crashes reported in Greenfield, Monterey County since 2015, this page uses Monterey County numbers for its patterns and comparisons.
When crashes happen
Truck crashes peak in September (12.9% of the year) and are lowest in February (4.5%).
November through March accounts for 28.0% of truck crashes here, compared with 40.2% in California.
By time of day, 12–1 pm stands out with 7.8% of truck crashes.
Snow, slush or ice was on the road in 0.3% of truck crashes, compared with 0.9% in California.
Where crashes happen
Fatal large-truck crashes within 10 miles of Greenfield since 2015 were spread across roads: US-101 (4).
Garbage & waste trucks
Garbage and refuse trucks were involved in 29 crashes, 1.8% of the total, against 1.6% across California.
Their busiest month is February, with 14% of garbage-truck crashes.
They recorded 0.0 deaths per 100 crashes, against 3.9 for all trucks.
Route planning tips for Greenfield, Monterey County fleets
- Build extra time into September routes: it has the most truck crashes here.
- For residential and commercial waste routes, look again at February schedules: garbage-truck crashes peak then.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Monterey County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-101 | 4 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Monterey County) |
|---|---|
| US-101 | 26 |
| Rt101/Spence Rd | 20 |
| Rt101/Hartnell Rd | 7 |
| SR-1 | 6 |
| SR-183 | 4 |
| San Juan Road | 4 |
| Rt101/.1M N Boronda Rd | 4 |
| Rt101/.2M N John St | 4 |
Greenfield, Monterey County at a glance
| Population | 21,042 |
| Land area | 3.0 sq mi |
| Density | 7,078 per sq mi |
| Median household income (ZIP 93960) | $96,049 |
| Median home value (ZIP 93960) | $568,754 |
Waste facilities and haulers nearby
Historical data: truck crashes in Monterey 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 | — | — | 5.2 |
| 2000s | 85 | — | 4.4 |
| 2010s | 134 | +57% | 3.5 |
| 2020s | 139 | +4% | 6.0 |
In the 2000s about 85 truck crashes a year were reported; in the 2020s, about 139. Reporting coverage also changed between these periods. Fatal large-truck crashes: 3.5 a year in 2016–19, 6.0 a year in 2020–24.
Nearby places
Questions fleets ask about Greenfield, Monterey County
How many truck accidents are there in Greenfield, Monterey County?
1,633 truck crashes have been reported in Monterey County since 2015, with 62 deaths and 697 injuries.
Which month has the most truck crashes in Greenfield, Monterey County?
The worst month is September: 12.9% of truck crashes in Monterey County happen then.
How many garbage truck accidents happen in Greenfield, Monterey County?
Since 2015, Monterey County has reported 29 garbage-truck crashes, or 1.8% of its truck crashes.
How do truck crashes in Greenfield, Monterey County compare with California?
The yearly rate is 33.1 truck crashes per 100,000 residents in Monterey County, vs 33.2 for California.
How do I plan a garbage truck route in Greenfield, Monterey 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.