Loma Mar, CA truck route planning & crash data
Plan safer truck routes in Loma Mar: commercial truck and garbage truck crashes in Loma Mar 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 |
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
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.
Loma Mar had 0 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
June has the most truck crashes, 10.8% of the yearly total, while May has the fewest (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.
Snow, slush or ice was on the road in 0.0% of truck crashes, compared with 0.9% in California.
Where crashes happen
Fatal large-truck crashes within 10 miles of Loma Mar since 2015 were spread across roads: SR-1 (3) and SR-84 (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.
Per 100 crashes, garbage trucks recorded 7.5 deaths compared with 2.7 for all trucks.
Route planning tips for Loma Mar fleets
- Build extra time into June routes: it has the most truck crashes here.
- 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
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) |
|---|---|
| SR-1 | 3 |
| SR-84 | 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 |
Loma Mar at a glance
| Land area | 1.7 sq mi |
| Median household income (ZIP 94021) | $250,001 |
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 Loma Mar
How common are truck crashes in Loma Mar?
San Mateo County has had 1,319 reported truck crashes since 2015, injuring 630 people and killing 36.
What is the worst month for truck crashes in Loma Mar?
June has the most truck crashes in San Mateo County, 10.8% of the yearly total.
How many garbage truck crashes are there in Loma Mar?
Since 2015, San Mateo County has reported 40 garbage-truck crashes, or 3.0% of its truck crashes.
How does Loma Mar compare with California for truck crashes?
San Mateo County records 15.7 truck crashes per 100,000 residents a year, against 33.2 across California.
How can I plan a safer truck route in Loma Mar?
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.