Millbrae, CA truck route planning & crash data
Plan safer truck routes in Millbrae: commercial truck and garbage truck crashes in Millbrae and San Mateo County, dangerous roads, seasonality and route safety data for fleets. Patterns use San Mateo County numbers.
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. Where it is higher: 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.
Millbrae had 24 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use San Mateo County numbers.
When crashes happen
Truck crashes peak in June (10.8% of the year) and are lowest in May (6.7%).
November through March accounts for 39.0% of truck crashes here, compared with 40.2% in California.
More truck crashes happen at 8–9 am than at any other hour (8.4%).
Road surface: 0.0% of truck crashes were on snow, slush or ice (California: 0.9%).
Where crashes happen
The deadliest road for trucks within 10 miles of Millbrae is US-101, with 5 fatal large-truck crashes since 2015. After it: SR-1 (3), California Dr (1) and Callan Bl (1).
Garbage & waste trucks
40 crashes involved a garbage or refuse truck, a 3.0% share (California: 1.6%).
The most garbage-truck crashes happen in September (18%).
Per 100 crashes, garbage trucks recorded 7.5 deaths compared with 2.7 for all trucks.
Route planning tips for Millbrae fleets
- Plan June schedules with more margin; it is the worst month for truck crashes in San Mateo County.
- 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.
- 28.0% of truck crashes happen between 6 and 10 am, above California; consider earlier or later starts where possible.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 |
| California Dr | 1 |
| Callan Bl | 1 |
| Cortland Av | 1 |
| Diamond St | 1 |
| El Camino Real | 1 |
| Floribunda Ave | 1 |
| Geneva Av | 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 |
Millbrae at a glance
| Population | 23,321 |
| Land area | 3.3 sq mi |
| Density | 7,134 per sq mi |
| Median household income (ZIP 94030) | $163,476 |
| Median home value (ZIP 94030) | $1,934,911 |
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 |
From the 2000s to the 2020s, yearly reported truck crashes went from 77 to 102. Some of the change may reflect how crashes were reported. NHTSA counts 3.8 fatal large-truck crashes a year in 2016–19 and 2.2 a year in 2020–24.
Nearby places
Questions fleets ask about Millbrae
How many truck crashes happen in Millbrae?
San Mateo County has had 1,319 reported truck crashes since 2015, injuring 630 people and killing 36.
What is the most dangerous road for trucks in Millbrae?
US-101 had 5 fatal crashes involving a large truck within 10 miles of Millbrae since 2015, more than any other road.
Which month has the most truck crashes in Millbrae?
June has the most truck crashes in San Mateo County, 10.8% of the yearly total.
Are garbage truck crashes common in Millbrae?
Since 2015, San Mateo County has reported 40 garbage-truck crashes, or 3.0% of its truck crashes.
What is the truck crash rate in Millbrae compared with California?
Per 100,000 residents, San Mateo County has 15.7 truck crashes a year; California has 33.2.
How can I plan a safer truck route in Millbrae?
The free Route Planner takes your stops and returns a route risk score, safer alternatives and low-bridge warnings.
2026 is a partial year. Updated October 2026.