ZIP 94558 (Napa, CA) truck route planning & crash data
Plan safer truck routes around ZIP 94558: commercial truck and garbage truck crashes here and in Napa County, dangerous roads, seasonality and route safety data for fleets.
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 sits below California on 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 ZIP 94558: SR-128 2 fatal truck crashes since 2015, more than any other road within 10 miles of ZIP 94558.
Overview
Since 2015, 561 crashes involving commercial trucks have been reported in Napa County. They injured 276 people and killed 19.
In complete reporting years that works out to about one truck crash every 7 days.
When crashes happen
The worst month is October with 10.9% of truck crashes; the quietest is January at 6.2%.
The five winter months (November to March) hold 38.3% of truck crashes, against 40.2% across California.
By time of day, 11 am–12 pm stands out with 8.9% of truck crashes.
Snow, slush or ice was on the road in 0.4% of truck crashes, compared with 0.9% in California.
Where crashes happen
SR-128 leads within 10 miles of ZIP 94558 with 2 fatal crashes involving a large truck since 2015. It is followed by SR-221 (1), Silverado Trl (1) and Siverado Trail (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 10 crashes, 1.8% of the total, against 1.6% across California.
Route planning tips for ZIP 94558 fleets
- Plan October schedules with more margin; it is the worst month for truck crashes in Napa County.
- Where you can, review stops along SR-128; it has the most fatal large-truck crashes nearby.
- 29.8% of truck crashes happen between 6 and 10 am, above California; consider earlier or later starts where possible.
- 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 was incomplete in 2025, so those years are greyed out and left out of rates and comparisons.
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-221 | 1 |
| Silverado Trl | 1 |
| Siverado Trail | 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 |
ZIP 94558 at a glance
| Population | 63,657 |
| Density | 62 per sq mi |
| Median household income | $113,269 |
| Median home value | $886,582 |
| Home ownership | 68% |
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 |
From the 2000s to the 2020s, yearly reported truck crashes went from 32 to 52. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 1.5 a year in 2016–19, 1.8 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 94558
How many truck crashes happen in ZIP 94558?
561 truck crashes have been reported in Napa County since 2015, with 19 deaths and 276 injuries.
Which road has the most fatal truck crashes in ZIP 94558?
SR-128 had 2 fatal crashes involving a large truck within 10 miles of ZIP 94558 since 2015, more than any other road.
What is the worst month for truck crashes in ZIP 94558?
October has the most truck crashes in Napa County, 10.9% of the yearly total.
How many garbage truck crashes are there in ZIP 94558?
Since 2015, Napa County has reported 10 garbage-truck crashes, or 1.8% of its truck crashes.
How does ZIP 94558 compare with California for truck crashes?
Per 100,000 residents, Napa County has 39.2 truck crashes a year; California has 33.2.
How do I plan a garbage truck route in ZIP 94558?
The free Route Planner takes your stops and returns a route risk score, safer alternatives and low-bridge warnings.
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.