ZIP 94401 (San Mateo, CA) truck route planning & crash data
Plan safer truck routes around ZIP 94401: 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 sits below California on 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).
The headline for 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
The worst month is June with 10.8% of truck crashes; the quietest is May at 6.7%.
Winter months (Nov–Mar) carry 39.0% of truck crashes, vs 40.2% for 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
The deadliest road for trucks within 10 miles of ZIP 94401 is US-101, with 4 fatal large-truck crashes since 2015. It is followed by Broadway St (1), California Dr (1) and Canada Rd (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 40 crashes, 3.0% of the total, against 1.6% across California.
The most garbage-truck crashes happen in September (18%).
They recorded 7.5 deaths per 100 crashes, against 2.7 for all trucks.
Route planning tips for ZIP 94401 fleets
- Build extra time into June routes: it has the most truck crashes here.
- Check whether your routes use US-101, the road with the most fatal truck crashes in this area.
- For residential and commercial waste routes, look again at September schedules: garbage-truck crashes peak then.
- 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
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 | 4 |
| 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 94401 at a glance
| Population | 35,295 |
| Density | 4,381 per sq mi |
| Median household income | $122,227 |
| Median home value | $1,186,366 |
| Home ownership | 43% |
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 |
Reported truck crashes averaged 77 a year in the 2000s and 102 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. 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 94401
How many truck crashes happen in ZIP 94401?
Since 2015, 1,319 crashes involving commercial trucks were reported in San Mateo County (630 injured, 36 killed).
Which road has the most fatal truck crashes in ZIP 94401?
US-101 had 4 fatal crashes involving a large truck within 10 miles of ZIP 94401 since 2015, more than any other road.
When do most truck crashes happen in ZIP 94401?
June has the most truck crashes in San Mateo County, 10.8% of the yearly total.
How many garbage truck crashes are there in ZIP 94401?
Garbage trucks were involved in 40 reported crashes in San Mateo County since 2015 (3.0% of truck crashes).
How do truck crashes in ZIP 94401 compare with California?
The yearly rate is 15.7 truck crashes per 100,000 residents in San Mateo County, vs 33.2 for California.
What is the best way to plan truck routes in ZIP 94401?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
2026 is a partial year. Updated October 2026.