ZIP 94403 (San Mateo, CA) truck route planning & crash data
Plan safer truck routes around ZIP 94403: commercial truck and garbage truck crashes here and in San Mateo 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
7.5 deaths per 100 garbage-truck crashes vs 2.7 for all trucks.
Deadliest roads
How San Mateo County compares with California
San Mateo County against California and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where San Mateo County stands out
Full comparison
| Measure (2015–2025) | San Mateo County | California | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 15.7 | 33.2 | 49.7 | 53% below the state |
| Deaths per 100 crashes | 2.7 | 3.6 | 3.4 | 25% below the state |
| Injuries per crash | 0.47 | 0.44 | 0.49 | same |
| Garbage-truck share | 3.1% | 1.6% | 2.3% | 1.9× the state |
| On snow, slush or ice | 0.0% | 0.9% | 6.2% | 100% below the state |
| Morning rush (6–10 am) | 28.0% | 23.5% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 6.6% | 6.5% | 13.8% | same |
| Winter months (Nov–Mar) | 39.0% | 40.2% | 41.9% | same |
| After dark | 22.3% | 29.1% | 24.8% | 23% below the state |
Compared with California, San Mateo County is lower on crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice. It stands out for higher garbage-truck share and morning rush (6–10 am).
The headline for San Mateo County: 1 in 32 of truck crashes here involve garbage trucks: 3.1%, vs 1.6% in California.
Overview
Since 2015, 1,319 crashes involving commercial trucks have been reported in San Mateo County. They injured 630 people and killed 36.
Across the years with complete reporting, that is roughly one truck crash every 3 days.
When crashes happen
June has the most truck crashes, 10.8% of the yearly total, while May has the fewest (6.7%).
November through March accounts for 39.0% of truck crashes here, compared with 40.2% in California.
The busiest hour is 8–9 am, with 8.4% of truck crashes.
Snow, slush or ice was on the road in 0.0% of truck crashes, compared with 0.9% in California.
Where crashes happen
Within this area, US-101 had the most fatal crashes involving a large truck since 2015 (5). Next come Broadway St (1), California Dr (1) and Canada Rd (1).
Garbage & waste trucks
40 crashes involved a garbage or refuse truck, a 3.0% share (California: 1.6%).
Their busiest month is September, with 18% of garbage-truck crashes.
Deaths per 100 garbage-truck crashes: 7.5, vs 2.7 for all truck crashes.
Route planning tips for ZIP 94403 fleets
- Build extra time into June routes: it has the most truck crashes here.
- Look at alternatives to US-101 at busy times: it leads this area in fatal truck crashes.
- Waste haulers: September is the peak month for garbage-truck crashes in San Mateo County.
- Morning starts matter: 28.0% of truck crashes fall between 6 and 10 am, higher than California.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 San Mateo County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-101 | 5 |
| Broadway St | 1 |
| California Dr | 1 |
| Canada Rd | 1 |
| Crestview Dr | 1 |
| El Camino Real | 1 |
| Floribunda Ave | 1 |
| I-280 | 1 |
| I-380 | 1 |
| S Maple Ave | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (San Mateo County) |
|---|---|
| Us-101 N/B | 15 |
| Us-101 S/B | 9 |
| Rt92/.3M E Rt35 | 4 |
| Rt92/3.6M E Foster City Bl | 4 |
| Sr-92 E/B | 4 |
| Woodside Rd/Broadway | 3 |
| SR-1 | 3 |
| Rt92/100Ft W Pilarcitos Creek Rd | 3 |
ZIP 94403 at a glance
| Population | 43,276 |
| Density | 2,966 per sq mi |
| Median household income | $174,917 |
| Median home value | $1,749,678 |
| Home ownership | 52% |
Waste facilities and haulers nearby
Historical data: truck crashes in San Mateo 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 | — | — | 2.8 |
| 2000s | 77 | — | 2.2 |
| 2010s | 115 | +49% | 2.2 |
| 2020s | 102 | -11% | 2.2 |
In the 2000s about 77 truck crashes a year were reported; in the 2020s, about 102. Reporting coverage also changed between these periods. NHTSA counts 3.8 fatal large-truck crashes a year in 2016–19 and 2.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 94403
How many truck accidents are there in ZIP 94403?
Since 2015, 1,319 crashes involving commercial trucks were reported in San Mateo County (630 injured, 36 killed).
Where do fatal truck crashes happen most in ZIP 94403?
NHTSA data shows US-101 with 5 fatal large-truck crashes within 10 miles of ZIP 94403 since 2015, the highest of any road.
What is the worst month for truck crashes in ZIP 94403?
Truck crashes in San Mateo County peak in June, with 10.8% of the year's crashes.
Are garbage truck crashes common in ZIP 94403?
40 crashes involving garbage or refuse trucks have been reported in San Mateo County since 2015, 3.0% of all truck crashes.
How do truck crashes in ZIP 94403 compare with California?
The yearly rate is 15.7 truck crashes per 100,000 residents in San Mateo County, vs 33.2 for California.
How do I plan a garbage truck route in ZIP 94403?
Use the free Route Planner: enter your stops to get a risk score, safer alternatives and the low bridges on your route.
2026 is a partial year. Updated October 2026.