Napa, CA truck route planning & crash data
Plan safer truck routes in Napa: commercial truck and garbage truck crashes in Napa 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.
Napa at a glance: SR-29 deadliest road: 3 fatal truck crashes within 10 miles of Napa since 2015.
Overview
Police reported 561 crashes involving commercial trucks in Napa County since 2015: 276 people were injured and 19 were killed.
That averages about one truck crash every 7 days in fully reported years.
With 62 truck crashes reported in Napa since 2015, this page uses Napa County numbers for its patterns and comparisons.
When crashes happen
October has the most truck crashes, 10.9% of the yearly total, while January has the fewest (6.2%).
Winter months (Nov–Mar) carry 38.3% of truck crashes, vs 40.2% for 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-29 leads within 10 miles of Napa with 3 fatal crashes involving a large truck since 2015. It is followed by SR-121 (2), SR-221 (2) and Buhman Ave (1).
Garbage & waste trucks
10 crashes involved a garbage or refuse truck, a 1.8% share (California: 1.6%).
Route planning tips for Napa 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-29; it has the most fatal large-truck crashes nearby.
- 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-29 | 3 |
| SR-121 | 2 |
| SR-221 | 2 |
| Buhman Ave | 1 |
| Napa Rd | 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 |
Napa at a glance
| Population | 76,921 |
| Land area | 18.1 sq mi |
| Density | 4,261 per sq mi |
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. NHTSA counts 1.5 fatal large-truck crashes a year in 2016–19 and 1.8 a year in 2020–24.
Nearby places
Questions fleets ask about Napa
How many truck crashes happen in Napa?
Napa County has had 561 reported truck crashes since 2015, injuring 276 people and killing 19.
What is the most dangerous road for trucks in Napa?
NHTSA data shows SR-29 with 3 fatal large-truck crashes within 10 miles of Napa since 2015, the highest of any road.
What is the worst month for truck crashes in Napa?
The worst month is October: 10.9% of truck crashes in Napa County happen then.
How many garbage truck accidents happen in Napa?
Since 2015, Napa County has reported 10 garbage-truck crashes, or 1.8% of its truck crashes.
How do truck crashes in Napa compare with California?
Napa County records 39.2 truck crashes per 100,000 residents a year, against 33.2 across California.
What is the best way to plan truck routes in Napa?
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.