ZIP 94402 (San Mateo, CA) truck route planning & crash data
Plan safer truck routes around ZIP 94402: 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 |
San Mateo County has lower values than California for crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice. It runs above California on garbage-truck share and morning rush (6–10 am).
What stands out in San Mateo County: 1 in 32 crashes involve a garbage truck (40 since 2015), vs 1.6% across California.
Overview
Since 2015, 1,319 crashes involving commercial trucks have been reported in San Mateo County. They injured 630 people and killed 36.
That averages about one truck crash every 3 days in fully reported years.
When crashes happen
June has the most truck crashes, 10.8% of the yearly total, while May has the fewest (6.7%).
The five winter months (November to March) hold 39.0% of truck crashes, against 40.2% across California.
By time of day, 8–9 am stands out 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). It is followed by SR-1 (3), Broadway St (1) and California Dr (1).
Garbage & waste trucks
Garbage trucks account for 40 of the truck crashes here, or 3.0%, compared with 1.6% in California.
Garbage-truck crashes peak in September (18% of them).
Deaths per 100 garbage-truck crashes: 7.5, vs 2.7 for all truck crashes.
Route planning tips for ZIP 94402 fleets
- Review driver schedules for June, the month with the most truck crashes.
- Check whether your routes use US-101, the road with the most fatal truck crashes in this area.
- Garbage-truck crashes here peak in September; review collection routes for that month.
- The morning rush (6–10 am) holds 28.0% 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.
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 |
| SR-1 | 3 |
| 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 |
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 94402 at a glance
| Population | 25,475 |
| Density | 1,946 per sq mi |
| Median household income | $172,522 |
| Median home value | $2,000,001 |
| Home ownership | 58% |
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. Fatal crashes involving a large truck averaged 3.8 a year in 2016–19 and 2.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 94402
How common are truck crashes in ZIP 94402?
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 94402?
US-101 had 5 fatal crashes involving a large truck within 10 miles of ZIP 94402 since 2015, more than any other road.
What is the worst month for truck crashes in ZIP 94402?
Truck crashes in San Mateo County peak in June, with 10.8% of the year's crashes.
Are garbage truck crashes common in ZIP 94402?
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 94402 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 can I plan a safer truck route in ZIP 94402?
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.