Plymouth, CA truck route planning & crash data
Plan safer truck routes in Plymouth: commercial truck and garbage truck crashes in Plymouth and Amador County, dangerous roads, seasonality and route safety data for fleets. Patterns use Amador County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1 of 193 truck crashes since 2015.
Deadliest roads
How Amador County compares with California
Amador County against California and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Amador County stands out
Full comparison
| Measure (2015–2025) | Amador County | California | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 40.0 | 33.2 | 49.7 | 1.2× the state |
| Deaths per 100 crashes | 7.0 | 3.6 | 3.4 | 1.9× the state |
| Injuries per crash | 0.41 | 0.44 | 0.49 | same |
| Garbage-truck share | 0.5% | 1.6% | 2.3% | 67% below the state |
| On snow, slush or ice | 11.3% | 0.9% | 6.2% | 12.2× the state |
| Morning rush (6–10 am) | 27.0% | 23.5% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 14.1% | 6.5% | 13.8% | 2.2× the state |
| Winter months (Nov–Mar) | 37.8% | 40.2% | 41.9% | same |
| After dark | 16.8% | 29.1% | 24.8% | 42% below the state |
Compared with California, Amador County is lower on garbage-truck share and after dark. It stands out for higher crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice.
What stands out in Amador County: 11.3% on snowy, slushy or icy roads, against 0.9% across California.
Overview
Since 2015, 193 crashes involving commercial trucks have been reported in Amador County. They injured 81 people and killed 13.
In complete reporting years that works out to about one truck crash every 22 days.
Plymouth had 0 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Amador County numbers.
When crashes happen
Truck crashes peak in August (13.5% of the year) and are lowest in April (4.7%).
Winter months (Nov–Mar) carry 37.8% of truck crashes, vs 40.2% for California.
The busiest hour is 1–2 pm, with 9.8% of truck crashes.
Road surface: 11.3% of truck crashes were on snow, slush or ice (California: 0.9%).
Where crashes happen
The deadliest road for trucks within 10 miles of Plymouth is SR-16, with 3 fatal large-truck crashes since 2015. It is followed by SR-49 (2), CR-LATROBE Rd (1) and SR-88 (1).
Garbage & waste trucks
1 crash involved a garbage or refuse truck, a 0.5% share (California: 1.6%).
Route planning tips for Plymouth fleets
- Build extra time into August routes: it has the most truck crashes here.
- Look at alternatives to SR-16 at busy times: it leads this area in fatal truck crashes.
- 27.0% of truck crashes happen between 6 and 10 am, above California; consider earlier or later starts where possible.
- Icy and snowy roads show up in 11.3% of truck crashes here, more than California; schedule winter checks early.
- 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 Amador County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-16 | 3 |
| SR-49 | 2 |
| CR-LATROBE Rd | 1 |
| SR-88 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Amador County) |
|---|---|
| SR-88 | 7 |
| Rt49/.2Mi N Of Main St | 2 |
| Rt88/Buena Vista Rd | 2 |
| SR-49 | 2 |
| Shenandoah Rd | 2 |
| Buena Vista Rd/.4M S Coal Mine Rd | 1 |
| Buena Vista Rd/1Mi S Of Rt88 | 1 |
| Buena Vista Rd/300 Ft N Of Stoney Creek Rd | 1 |
Plymouth at a glance
| Population | 1,137 |
| Land area | 2.6 sq mi |
| Density | 429 per sq mi |
| Median household income (ZIP 95699) | $250,001 |
Waste facilities and haulers nearby
Historical data: truck crashes in Amador 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 | — | — | 0.9 |
| 2000s | 19 | — | 0.5 |
| 2010s | 14 | -26% | 0.9 |
| 2020s | 17 | +21% | 1.0 |
From the 2000s to the 2020s, yearly reported truck crashes went from 19 to 17. Some of the change may reflect how crashes were reported. NHTSA counts 1.2 fatal large-truck crashes a year in 2016–19 and 1.0 a year in 2020–24.
Nearby places
Questions fleets ask about Plymouth
How common are truck crashes in Plymouth?
Amador County has had 193 reported truck crashes since 2015, injuring 81 people and killing 13.
Where do fatal truck crashes happen most in Plymouth?
Since 2015, SR-16 has had the most fatal large-truck crashes within 10 miles of Plymouth: 3.
Which month has the most truck crashes in Plymouth?
Truck crashes in Amador County peak in August, with 13.5% of the year's crashes.
Are garbage truck crashes common in Plymouth?
Since 2015, Amador County has reported 1 garbage-truck crash, or 0.5% of its truck crashes.
How does Plymouth compare with California for truck crashes?
Amador County records 40.0 truck crashes per 100,000 residents a year, against 33.2 across California.
How can I plan a safer truck route in Plymouth?
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.