Marin County, CA truck route planning & crash data
Plan safer truck routes in Marin County: commercial truck and garbage truck crashes, 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. Where it is higher: 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
Police reported 487 crashes involving commercial trucks in Marin County since 2015: 182 people were injured and 20 were killed.
That averages about one truck crash every 9 days in fully reported years.
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.
More truck crashes happen at 8–9 am than at any other hour (11.7%).
0.4% of truck crashes here happened on snow, slush or ice, against 0.9% across California.
Where crashes happen
Roads with fatal crashes involving a large truck in Marin County since 2015: SR-1 (3), US-101 (3), 3rd St (1), CR-LUCAS Vly Rd (1) and Fourth St (1). No single road stands out.
Garbage & waste trucks
21 crashes involved a garbage or refuse truck, a 4.3% share (California: 1.6%).
Garbage-truck crashes peak in December (19% of them).
Route planning tips for Marin County fleets
- Review driver schedules for May, the month with the most truck crashes.
- Waste haulers: December is the peak month for garbage-truck crashes in Marin County.
- Morning starts matter: 31.7% of truck crashes fall between 6 and 10 am, higher than California.
- 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 (in Marin County) |
|---|---|
| SR-1 | 3 |
| US-101 | 3 |
| 3rd St | 1 |
| CR-LUCAS Vly Rd | 1 |
| Fourth St | 1 |
| I-80 | 1 |
| Loma Linda Ave | 1 |
| Los Ranchitos Rd | 1 |
| Point Reyes Petaluma Rd | 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 |
Marin County at a glance
| Population | 256,400 |
| Land area | 520.1 sq mi |
| Density | 493 per sq mi |
| Median household income (ZIP average) | $152,343 |
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 |
From the 2000s to the 2020s, yearly reported truck crashes went from 33 to 38. Some of the change may reflect how crashes were reported. NHTSA counts 1.2 fatal large-truck crashes a year in 2016–19 and 1.2 a year in 2020–24.
Cities, towns & communities in Marin County
ZIP codes in Marin County
Nearby counties
Questions fleets ask about Marin County
How common are truck crashes in Marin County?
487 truck crashes have been reported in Marin County since 2015, with 20 deaths and 182 injuries.
When do most truck crashes happen in Marin County?
The worst month is May: 10.1% of truck crashes in Marin County happen then.
How many garbage truck crashes are there in Marin County?
21 crashes involving garbage or refuse trucks have been reported in Marin County since 2015, 4.3% of all truck crashes.
What is the truck crash rate in Marin County compared with California?
Marin County records 16.3 truck crashes per 100,000 residents a year, against 33.2 across California.
What is the best way to plan truck routes in Marin County?
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.