Angwin, CA truck route planning & crash data
Plan safer truck routes in Angwin: commercial truck and garbage truck crashes in Angwin and Napa County, dangerous roads, seasonality and route safety data for fleets. Patterns use Napa County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
10 of 561 truck crashes since 2015.
Deadliest roads
How Napa County compares with California
Napa County against California and the US, 2015–2024 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Napa County stands out
Full comparison
| Measure (2015–2024) | Napa County | California | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 39.2 | 33.2 | 49.7 | 1.2× the state |
| Deaths per 100 crashes | 3.5 | 3.6 | 3.4 | same |
| Injuries per crash | 0.50 | 0.44 | 0.49 | 1.1× the state |
| Garbage-truck share | 1.9% | 1.6% | 2.3% | 1.2× the state |
| On snow, slush or ice | 0.4% | 0.9% | 6.2% | 59% below the state |
| Morning rush (6–10 am) | 29.8% | 23.5% | 23.7% | 1.3× the state |
| In rain, sleet or snow | 7.5% | 6.5% | 13.8% | 1.2× the state |
| Winter months (Nov–Mar) | 38.3% | 40.2% | 41.9% | same |
| After dark | 12.3% | 29.1% | 24.8% | 58% below the state |
Napa County has lower values than California for on snow, slush or ice and after dark. Where it is higher: crashes per 100k residents / yr, injuries per crash and garbage-truck share.
The headline for Napa County: 0.4% on snowy, slushy or icy roads, against 0.9% across California.
Overview
Police reported 561 crashes involving commercial trucks in Napa County since 2015: 276 people were injured and 19 were killed.
Across the years with complete reporting, that is roughly one truck crash every 7 days.
Only 0 truck crashes were reported in Angwin since 2015; patterns below come from Napa County as a whole.
When crashes happen
The worst month is October with 10.9% of truck crashes; the quietest is January at 6.2%.
Winter months (Nov–Mar) carry 38.3% of truck crashes, vs 40.2% for California.
The busiest hour is 11 am–12 pm, with 8.9% of truck crashes.
0.4% of truck crashes here happened on snow, slush or ice, against 0.9% across California.
Where crashes happen
Fatal large-truck crashes within 10 miles of Angwin since 2015 were spread across roads: SR-128 (2), SR-29 (2), Petrified Forest Rd (1) and Silverado Trl (1).
Garbage & waste trucks
10 crashes involved a garbage or refuse truck, a 1.8% share (California: 1.6%).
Route planning tips for Angwin fleets
- Build extra time into October routes: it has the most truck crashes here.
- The morning rush (6–10 am) holds 29.8% of truck crashes here, more than California; adjust start times where you can.
- 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.
Reporting to FMCSA was incomplete in 2025; rates and comparisons skip those years.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Napa County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-128 | 2 |
| SR-29 | 2 |
| Petrified Forest Rd | 1 |
| Silverado Trl | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Napa County) |
|---|---|
| SR-29 | 12 |
| Rt128/Petrified Forest Rd | 5 |
| Rt29/Deer Park Rd | 3 |
| Rt12/Rt29 | 3 |
| Big Ranch Rd/662Ft N Salvador Av | 2 |
| Broadway/Eucalyptus Dr | 2 |
| Broadway/Green Island Rd | 2 |
| Broadway/Paoli Loop Rd | 2 |
Angwin at a glance
| Land area | 4.8 sq mi |
| Median household income (ZIP 94508) | $116,667 |
| Median home value (ZIP 94508) | $778,276 |
Waste facilities and haulers nearby
Historical data: truck crashes in Napa 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 | — | — | 1.7 |
| 2000s | 32 | — | 1.2 |
| 2010s | 45 | +41% | 1.3 |
| 2020s | 52 | +16% | 1.8 |
In the 2000s about 32 truck crashes a year were reported; in the 2020s, about 52. Reporting coverage also changed between these periods. Fatal large-truck crashes: 1.5 a year in 2016–19, 1.8 a year in 2020–24.
Nearby places
Questions fleets ask about Angwin
How many truck crashes happen in Angwin?
Since 2015, 561 crashes involving commercial trucks were reported in Napa County (276 injured, 19 killed).
When do most truck crashes happen in Angwin?
October has the most truck crashes in Napa County, 10.9% of the yearly total.
Are garbage truck crashes common in Angwin?
10 crashes involving garbage or refuse trucks have been reported in Napa County since 2015, 1.8% of all truck crashes.
What is the truck crash rate in Angwin compared with California?
Napa County records 39.2 truck crashes per 100,000 residents a year, against 33.2 across California.
How do I plan a garbage truck route in Angwin?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
Crash reporting to FMCSA was incomplete in 2025; those years are greyed out and left out of rates. 2026 is a partial year. Updated October 2026.