Foster City, CA truck route planning & crash data
Plan safer truck routes in Foster City: commercial truck and garbage truck crashes in Foster City 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. It stands out for higher garbage-truck share and morning rush (6–10 am).
San Mateo County at a glance: 1 in 32 garbage-truck share of crashes is 3.1%, against 1.6% for California.
Overview
Police reported 1,319 crashes involving commercial trucks in San Mateo County since 2015: 630 people were injured and 36 were killed.
In complete reporting years that works out to about one truck crash every 3 days.
Foster City had 98 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
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.
The busiest hour is 8–9 am, with 8.4% of truck crashes.
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 Foster City is US-101, with 5 fatal large-truck crashes since 2015. After it: SR-92 (3), Broadway St (1) and California Dr (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 Foster City fleets
- Plan June schedules with more margin; it is the worst month for truck crashes in San Mateo County.
- 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.
- 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-92 | 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 |
Foster City at a glance
| Population | 32,657 |
| Land area | 3.8 sq mi |
| Density | 8,623 per sq mi |
| Median household income (ZIP 94404) | $192,332 |
| Median home value (ZIP 94404) | $1,710,182 |
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. Fatal large-truck crashes: 3.8 a year in 2016–19, 2.2 a year in 2020–24.
Nearby places
Questions fleets ask about Foster City
How many truck accidents are there in Foster City?
1,319 truck crashes have been reported in San Mateo County since 2015, with 36 deaths and 630 injuries.
Which road has the most fatal truck crashes in Foster City?
Since 2015, US-101 has had the most fatal large-truck crashes within 10 miles of Foster City: 5.
What is the worst month for truck crashes in Foster City?
June has the most truck crashes in San Mateo County, 10.8% of the yearly total.
How many garbage truck accidents happen in Foster City?
40 crashes involving garbage or refuse trucks have been reported in San Mateo County since 2015, 3.0% of all truck crashes.
What is the truck crash rate in Foster City compared with California?
Per 100,000 residents, San Mateo County has 15.7 truck crashes a year; California has 33.2.
How do I plan a garbage truck route in Foster City?
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.