ZIP 94946 (Nicasio, CA) truck route planning & crash data
Plan safer truck routes around ZIP 94946: 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 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 crashes involve a garbage truck (21 since 2015), vs 1.6% across 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
May has the most truck crashes, 10.1% of the yearly total, while April has the fewest (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%).
Road surface: 0.4% of truck crashes were on snow, slush or ice (California: 0.9%).
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of ZIP 94946 since 2015: CR-LUCAS Vly Rd (1), Point Reyes Petaluma Rd (1), SR-1 (1) and US-101 (1). No single road stands out.
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 94946 fleets
- Build extra time into May routes: it has the most truck crashes here.
- Garbage-truck crashes here peak in December; review collection routes for that month.
- Morning starts matter: 31.7% 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
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 Marin County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| CR-LUCAS Vly Rd | 1 |
| Point Reyes Petaluma Rd | 1 |
| SR-1 | 1 |
| US-101 | 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 94946 at a glance
| Population | 715 |
| Density | 7 per sq mi |
| Median household income | $154,688 |
| Median home value | $2,000,001 |
| Home ownership | 82% |
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 94946
How common are truck crashes in ZIP 94946?
Marin County has had 487 reported truck crashes since 2015, injuring 182 people and killing 20.
What is the worst month for truck crashes in ZIP 94946?
The worst month is May: 10.1% of truck crashes in Marin County happen then.
How many garbage truck accidents happen in ZIP 94946?
Garbage trucks were involved in 21 reported crashes in Marin County since 2015 (4.3% of truck crashes).
What is the truck crash rate in ZIP 94946 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 94946?
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.