Belmont, CA truck route planning & crash data
Plan safer truck routes in Belmont: commercial truck and garbage truck crashes in Belmont 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).
What stands out in San Mateo County: 1 in 32 garbage-truck share of crashes is 3.1%, against 1.6% for California.
Overview
San Mateo County has recorded 1,319 truck crashes since 2015, with 630 people injured and 36 killed.
In complete reporting years that works out to about one truck crash every 3 days.
Belmont had 30 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.
The busiest hour is 8–9 am, with 8.4% of truck crashes.
0.0% of truck crashes here happened on snow, slush or ice, against 0.9% across California.
Where crashes happen
The deadliest road for trucks within 10 miles of Belmont is US-101, with 5 fatal large-truck crashes since 2015. After it: 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%).
Deaths per 100 garbage-truck crashes: 7.5, vs 2.7 for all truck crashes.
Route planning tips for Belmont 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.
- 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
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 | 5 |
| Broadway St | 1 |
| California Dr | 1 |
| Canada Rd | 1 |
| Crestview Dr | 1 |
| El Camino Real | 1 |
| Floribunda Ave | 1 |
| I-280 | 1 |
| Pulgas Av | 1 |
| 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 |
Belmont at a glance
| Population | 27,132 |
| Land area | 4.6 sq mi |
| Density | 5,860 per sq mi |
| Median household income (ZIP 94002) | $203,965 |
| Median home value (ZIP 94002) | $2,000,001 |
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 |
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. Fatal crashes involving a large truck averaged 3.8 a year in 2016–19 and 2.2 a year in 2020–24.
Nearby places
Questions fleets ask about Belmont
How many truck accidents are there in Belmont?
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 Belmont?
NHTSA data shows US-101 with 5 fatal large-truck crashes within 10 miles of Belmont since 2015, the highest of any road.
What is the worst month for truck crashes in Belmont?
Truck crashes in San Mateo County peak in June, with 10.8% of the year's crashes.
Are garbage truck crashes common in Belmont?
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 Belmont compare with California?
San Mateo County records 15.7 truck crashes per 100,000 residents a year, against 33.2 across California.
How do I plan a garbage truck route in Belmont?
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.