Alto, CA truck route planning & crash data
Plan safer truck routes in Alto: commercial truck and garbage truck crashes in Alto and Marin County, dangerous roads, seasonality and route safety data for fleets. Patterns use Marin County numbers.
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 sits below California 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 crashes involve a garbage truck (21 since 2015), vs 1.6% across 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.
With 0 truck crashes reported in Alto since 2015, this page uses Marin County numbers for its patterns and comparisons.
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.
The busiest hour is 8–9 am, with 11.7% of truck crashes.
0.4% of truck crashes here happened on snow, slush or ice, against 0.9% across California.
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of Alto happened on I-580 (2), US-101 (2), 3rd St (1), Cutting Blvd (1) and Fourth St (1); no road leads clearly.
Garbage & waste trucks
Garbage and refuse trucks were involved in 21 crashes, 4.3% of the total, against 1.6% across California.
Their busiest month is December, with 19% of garbage-truck crashes.
Route planning tips for Alto fleets
- Plan May schedules with more margin; it is the worst month for truck crashes in Marin County.
- For residential and commercial waste routes, look again at December schedules: garbage-truck crashes peak then.
- 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
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) |
|---|---|
| I-580 | 2 |
| US-101 | 2 |
| 3rd St | 1 |
| Cutting Blvd | 1 |
| Fourth St | 1 |
| Geary Blvd | 1 |
| Giant Rd | 1 |
| I-80 | 1 |
| Loma Linda Ave | 1 |
| Los Ranchitos 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 |
Alto at a glance
| Land area | 0.1 sq mi |
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. Fatal large-truck crashes: 1.2 a year in 2016–19, 1.2 a year in 2020–24.
Nearby places
Questions fleets ask about Alto
How many truck accidents are there in Alto?
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 Alto?
Truck crashes in Marin County peak in May, with 10.1% of the year's crashes.
How many garbage truck accidents happen in Alto?
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 Alto compared with California?
Per 100,000 residents, Marin County has 16.3 truck crashes a year; California has 33.2.
How do I plan a garbage truck route in Alto?
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.