ZIP 94559 (Napa, CA) truck route planning & crash data
Plan safer truck routes around ZIP 94559: 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 has lower values than California for on snow, slush or ice and after dark. It runs above California on crashes per 100k residents / yr, injuries per crash and garbage-truck share.
ZIP 94559 at a glance: SR-29 most fatal truck crashes within 10 miles of ZIP 94559: 3 since 2015.
Overview
Napa County has recorded 561 truck crashes since 2015, with 276 people injured and 19 killed.
Across the years with complete reporting, that is roughly one truck crash every 7 days.
When crashes happen
Truck crashes peak in October (10.9% of the year) and are lowest in January (6.2%).
Winter months (Nov–Mar) carry 38.3% of truck crashes, vs 40.2% for California.
More truck crashes happen at 11 am–12 pm than at any other hour (8.9%).
Snow, slush or ice was on the road in 0.4% of truck crashes, compared with 0.9% in California.
Where crashes happen
The deadliest road for trucks within 10 miles of ZIP 94559 is SR-29, with 3 fatal large-truck crashes since 2015. After it: I-80 (2), SR-121 (2) and SR-221 (2).
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 94559 fleets
- Review driver schedules for October, the month with the most truck crashes.
- Look at alternatives to SR-29 at busy times: it leads this area in fatal truck crashes.
- The morning rush (6–10 am) holds 29.8% of truck crashes here, more than California; adjust start times where you can.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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.
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-29 | 3 |
| I-80 | 2 |
| SR-121 | 2 |
| SR-221 | 2 |
| Buhman Ave | 1 |
| Central Wy | 1 |
| I-680 | 1 |
| Napa Rd | 1 |
| SR-37 | 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 |
ZIP 94559 at a glance
| Population | 27,714 |
| Density | 259 per sq mi |
| Median household income | $105,188 |
| Median home value | $899,760 |
| Home ownership | 49% |
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 ZIP codes
Questions fleets ask about ZIP 94559
How common are truck crashes in ZIP 94559?
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 94559?
SR-29 had 3 fatal crashes involving a large truck within 10 miles of ZIP 94559 since 2015, more than any other road.
Which month has the most truck crashes in ZIP 94559?
October has the most truck crashes in Napa County, 10.9% of the yearly total.
How many garbage truck crashes are there in ZIP 94559?
Since 2015, Napa County has reported 10 garbage-truck crashes, or 1.8% of its truck crashes.
What is the truck crash rate in ZIP 94559 compared with California?
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 94559?
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.