ZIP 94963 (San Geronimo, CA) truck route planning & crash data
Plan safer truck routes around ZIP 94963: commercial truck and garbage truck crashes here and in Marin 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
21 of 487 truck crashes since 2015.
Deadliest roads
How Marin County compares with California
Marin County against California and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Marin County stands out
Full comparison
| Measure (2015–2025) | Marin County | California | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 16.3 | 33.2 | 49.7 | 51% below the state |
| Deaths per 100 crashes | 4.3 | 3.6 | 3.4 | 1.2× the state |
| Injuries per crash | 0.37 | 0.44 | 0.49 | 16% below the state |
| Garbage-truck share | 4.1% | 1.6% | 2.3% | 2.5× the state |
| On snow, slush or ice | 0.4% | 0.9% | 6.2% | 54% below the state |
| Morning rush (6–10 am) | 31.7% | 23.5% | 23.7% | 1.3× the state |
| In rain, sleet or snow | 8.7% | 6.5% | 13.8% | 1.3× the state |
| Winter months (Nov–Mar) | 43.4% | 40.2% | 41.9% | 1.1× the state |
| After dark | 16.3% | 29.1% | 24.8% | 44% below the state |
Marin County has lower values than California for crashes per 100k residents / yr, injuries per crash and on snow, slush or ice. It stands out for higher deaths per 100 crashes, garbage-truck share and morning rush (6–10 am).
The headline for Marin County: 1 in 24 garbage-truck share of crashes is 4.1%, against 1.6% for California.
Overview
Since 2015, 487 crashes involving commercial trucks have been reported in Marin County. They injured 182 people and killed 20.
In complete reporting years that works out to about one truck crash every 9 days.
When crashes happen
The worst month is May with 10.1% of truck crashes; the quietest is April at 5.7%.
November through March accounts for 43.4% of truck crashes here, compared with 40.2% in California.
By time of day, 8–9 am stands out with 11.7% of truck crashes.
Road surface: 0.4% of truck crashes were on snow, slush or ice (California: 0.9%).
Where crashes happen
US-101 leads within 10 miles of ZIP 94963 with 2 fatal crashes involving a large truck since 2015. Next come 3rd St (1), CR-LUCAS Vly Rd (1) and Fourth St (1).
Garbage & waste trucks
Garbage trucks account for 21 of the truck crashes here, or 4.3%, compared with 1.6% in California.
Their busiest month is December, with 19% of garbage-truck crashes.
Route planning tips for ZIP 94963 fleets
- Build extra time into May routes: it has the most truck crashes here.
- Where you can, review stops along US-101; it has the most fatal large-truck crashes nearby.
- Garbage-truck crashes here peak in December; review collection routes for that month.
- The morning rush (6–10 am) holds 31.7% of truck crashes here, more than California; adjust start times where you can.
- 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 Marin County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-101 | 2 |
| 3rd St | 1 |
| CR-LUCAS Vly Rd | 1 |
| Fourth St | 1 |
| Loma Linda Ave | 1 |
| Los Ranchitos Rd | 1 |
| Point Reyes Petaluma Rd | 1 |
| SR-1 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Marin County) |
|---|---|
| Us-101 S/B | 9 |
| Bel Marin Keys Bl/Nave Dr | 2 |
| Caledonia St/Pine St | 2 |
| Chileno Valley Rd | 2 |
| N. Knoll Rd | 2 |
| Novato Bl/.4Mi W Of Copper Hill Wy | 2 |
| Rt101/.1M S Alameda Del Prado | 2 |
| Rt101/.1M S San Antonio Rd | 2 |
ZIP 94963 at a glance
| Population | 739 |
| Density | 179 per sq mi |
| Median household income | $210,823 |
| Median home value | $1,097,194 |
| Home ownership | 92% |
Waste facilities and haulers nearby
Historical data: truck crashes in Marin 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 | — | — | 1.2 |
| 2000s | 33 | — | 0.8 |
| 2010s | 43 | +29% | 0.8 |
| 2020s | 38 | -12% | 1.2 |
In the 2000s about 33 truck crashes a year were reported; in the 2020s, about 38. Reporting coverage also changed between these periods. Fatal crashes involving a large truck averaged 1.2 a year in 2016–19 and 1.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 94963
How many truck accidents are there in ZIP 94963?
Marin County has had 487 reported truck crashes since 2015, injuring 182 people and killing 20.
Which road has the most fatal truck crashes in ZIP 94963?
Since 2015, US-101 has had the most fatal large-truck crashes within 10 miles of ZIP 94963: 2.
Which month has the most truck crashes in ZIP 94963?
The worst month is May: 10.1% of truck crashes in Marin County happen then.
How many garbage truck crashes are there in ZIP 94963?
Since 2015, Marin County has reported 21 garbage-truck crashes, or 4.3% of its truck crashes.
What is the truck crash rate in ZIP 94963 compared with California?
Per 100,000 residents, Marin County has 16.3 truck crashes a year; California has 33.2.
What is the best way to plan truck routes in ZIP 94963?
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.