ZIP 94904 (Greenbrae, CA) truck route planning & crash data
Plan safer truck routes around ZIP 94904: 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 |
Compared with California, Marin County is lower on crashes per 100k residents / yr, injuries per crash and on snow, slush or ice. It runs above California on deaths per 100 crashes, garbage-truck share and morning rush (6–10 am).
Marin County at a glance: 1 in 24 garbage-truck share of crashes is 4.1%, against 1.6% for California.
Overview
Marin County has recorded 487 truck crashes since 2015, with 182 people injured and 20 killed.
That averages about one truck crash every 9 days in fully reported years.
When crashes happen
Truck crashes peak in May (10.1% of the year) and are lowest in April (5.7%).
Winter months (Nov–Mar) carry 43.4% of truck crashes, vs 40.2% for 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
The deadliest road for trucks within 10 miles of ZIP 94904 is US-101, with 2 fatal large-truck crashes since 2015. It is followed by 3rd St (1), CR-LUCAS Vly Rd (1) and Fourth St (1).
Garbage & waste trucks
21 crashes involved a garbage or refuse truck, a 4.3% share (California: 1.6%).
Their busiest month is December, with 19% of garbage-truck crashes.
Route planning tips for ZIP 94904 fleets
- Plan May schedules with more margin; it is the worst month for truck crashes in Marin County.
- Look at alternatives to US-101 at busy times: it leads this area in fatal truck crashes.
- 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.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
About the data
This report uses the FMCSA crash file (reported crashes of trucks over 10,000 lb) and NHTSA FARS (fatal crashes). It reports the numbers without guessing at reasons.
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 |
| I-580 | 1 |
| I-80 | 1 |
| Loma Linda Ave | 1 |
| Los Ranchitos Rd | 1 |
| Richmond Pkwy | 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 94904 at a glance
| Population | 12,815 |
| Density | 1,000 per sq mi |
| Median household income | $169,118 |
| Median home value | $1,840,607 |
| Home ownership | 63% |
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. NHTSA counts 1.2 fatal large-truck crashes a year in 2016–19 and 1.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 94904
How common are truck crashes in ZIP 94904?
487 truck crashes have been reported in Marin County since 2015, with 20 deaths and 182 injuries.
What is the most dangerous road for trucks in ZIP 94904?
Since 2015, US-101 has had the most fatal large-truck crashes within 10 miles of ZIP 94904: 2.
When do most truck crashes happen in ZIP 94904?
May has the most truck crashes in Marin County, 10.1% of the yearly total.
How many garbage truck accidents happen in ZIP 94904?
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 94904 compared with California?
Per 100,000 residents, Marin County has 16.3 truck crashes a year; California has 33.2.
How can I plan a safer truck route in ZIP 94904?
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.