Bike crash statistics and hotspots in San Anselmo, CA
- bike crashes, 2021–2026
- 57
- bike crashes, 2021–2026
- serious or fatal
- 10
- serious or fatal
- fatal
- 0
- fatal
- street with the most
- Sir Francis Drake Blvd
- street with the most
Where they cluster
All 10 spots, explainedIs San Anselmo safe to ride a bike?
This page covers traffic crashes, not crime. We don't rate cities as safe or unsafe: crash counts can't say how risky a street is, and busy streets have more crashes partly because more people use them. What the records show: 57 bike crashes were reported in San Anselmo from 2021–2026, 10 of them serious or fatal. The most were at Butterfield Rd & Arroyo Ave (7). 4% happened after dark.
Where to look next
How people on bikes get hit in San Anselmo
- 4% happened after dark.
What the reports show about bike crashes in San Anselmo
- 4% (California: 21%) of crashes happened after dark.
- 18% (California: 13%) left someone seriously hurt or killed.
- The busiest hour was 3 p.m. (California: 3 p.m.).
- 9% (California: 3%) were on a wet road, as the report records it.
Set against all bike crashes in California, 2021–2026. Without traffic counts these can't say how risky a street is.
Where bike crashes cluster
Spots with 3 or more reported crashes within about 250 m, worst first.
- 017 crashes · 2 serious or fatal
Butterfield Rd & Arroyo Ave
A mix of crash types
- No single crash pattern stands out here. Slow down, stay visible, and leave extra room.
- 027 crashes · 1 serious or fatal
Center Blvd & Sir Francis Drake Blvd
A mix of crash types
- No single crash pattern stands out here. Slow down, stay visible, and leave extra room.
- 035 crashes · 1 serious or fatal
Sir Francis Drake Blvd & San Anselmo Ave
A mix of crash types
- No single crash pattern stands out here. Slow down, stay visible, and leave extra room.
- 045 crashes · 1 serious or fatal
Sir Francis Drake Blvd & San Francisco Blvd
A mix of crash types
- No single crash pattern stands out here. Slow down, stay visible, and leave extra room.
- 054 crashes · 1 serious or fatal
San Anselmo Ave & Saunders Ave
A mix of crash types
- No single crash pattern stands out here. Slow down, stay visible, and leave extra room.
- 063 crashes · 1 serious or fatal
Broadmoor Ave & Meadowcroft Dr
A mix of crash types
- No single crash pattern stands out here. Slow down, stay visible, and leave extra room.
- 074 crashes
Lansdale Ave & San Anselmo Ave
A mix of crash types
- No single crash pattern stands out here. Slow down, stay visible, and leave extra room.
- 084 crashes
San Anselmo Ave & Tunstead Ave
A mix of crash types
- No single crash pattern stands out here. Slow down, stay visible, and leave extra room.
- 093 crashes
Ross Ave & Jones St
Close passes and cars turning alongside
Police reports: in 2 of 3, a driver opened a door into traffic. 2 of 3 crashes were sideswipes: a vehicle alongside, typically a close pass, a right hook, or an opening car door.
- Ride at least 4 feet from parked cars to stay out of the door zone, and watch for drivers who overtake and then turn right across you.
- 103 crashes
Greenfield Ave & Sequoia Dr
A mix of crash types
- No single crash pattern stands out here. Slow down, stay visible, and leave extra room.
Streets with the most bike crashes in San Anselmo
| Street | Crashes | Serious/fatal |
|---|---|---|
| Sir Francis Drake Blvd | 11 | 2 |
| San Anselmo Ave | 10 | 1 |
| Butterfield Rd | 8 | 3 |
| Center Blvd | 3 | 1 |
| Lansdale Ave | 3 | 0 |
Reported bike crashes, 2021–2026, counted by the street each police report names first, so a crash at a corner counts toward one of its two streets. Long, busy streets collect more crashes partly because more people use them.
What the police reports say drivers did in San Anselmo
| A driver… | Crashes | |
|---|---|---|
| opened a door into traffic | 5 | |
| didn't yield while turning left | 3 | |
| turned or changed lanes when it wasn't clear | 2 | |
| passed a bicyclist closer than three feet | 2 |
The other vehicle, where the report names one: 24 cars, 5 SUVs and 2 pickup trucks. In 1 crash the report says the other driver had been drinking or was on drugs.
Reported bike crashes, 2021–2026. The officer names one party and one Vehicle Code section as the main cause of each crash; these are the crashes where that party was a driver. It is the officer's reading at the scene, not a court's finding, and many reports name the person on foot or on a bike instead, which we don't list.
Bike crashes in San Anselmo by year
| Year | Crashes | Serious/fatal | |
|---|---|---|---|
| 2021 | 6 | 0 | |
| 2022 | 13 | 3 | |
| 2023 | 12 | 2 | |
| 2024 | 12 | 3 | |
| 2025 | 7 | 1 | |
| 2026 | 7 | 1 |
How people get to work in San Anselmo
| Share of workers | San Anselmo | California |
|---|---|---|
| Drive alone | 50.7% | 65.7% |
| Carpool | 2.3% | 9.5% |
| Public transit | 3% | 2.9% |
| Walk | 3.7% | 2.4% |
| Bicycle | 2.2% | 0.7% |
| Work from home | 35.1% | 17.2% |
4.7% of households in San Anselmo have no car (California: 7.1%). The average trip to work takes 30.2 minutes one way (California: 28.7).
US Census American Community Survey, 2020–2024 five-year estimates, 12,679 residents. These are trips to work only: walks to school, the shops or a bus stop aren't counted, so they can't say how much walking or riding happens on San Anselmo's streets.
Common questions about San Anselmo
- Where do the most bike crashes happen in San Anselmo?
- The worst spot is Butterfield Rd & Arroyo Ave, with 7 reported bike crashes from 2021–2026, 2 of them serious or fatal. Next are Center Blvd & Sir Francis Drake Blvd (7) and Sir Francis Drake Blvd & San Anselmo Ave (5).
- How many cyclists were killed in San Anselmo?
- No deaths were reported in 57 reported bike crashes in San Anselmo from 2021–2026, and 10 left someone seriously hurt or killed.
- How do cyclists usually get hit in San Anselmo?
- 4% happened after dark.
- When and where do bike crashes happen in San Anselmo, compared with California?
- Of 57 reported bike crashes in San Anselmo from 2021–2026: 4% (California: 21%) of crashes happened after dark. 18% (California: 13%) left someone seriously hurt or killed. The busiest hour was 3 p.m. (California: 3 p.m.). 9% (California: 3%) were on a wet road, as the report records it.
- Which streets in San Anselmo have the most bike crashes?
- By the street each police report names first, 2021–2026: Sir Francis Drake Blvd (11), San Anselmo Ave (10), Butterfield Rd (8), Center Blvd (3), Lansdale Ave (3). Long, busy streets collect more crashes partly because more people use them.
- How many people bike to work in San Anselmo?
- 2.2% of workers in San Anselmo ride a bicycle to work (California: 0.7%), and 3% take public transit. 4.7% of households have no car (California: 7.1%). From the Census American Community Survey, 2020–2024.
- How many bike crashes happen in San Anselmo each year?
- Reported bike crashes with map locations: 2021: 6, 2022: 13, 2023: 12, 2024: 12, 2025: 7, 2026: 7. The latest year can rise as late reports come in.
- Where does this data come from?
- Police crash reports in the California Crash Reporting System (CCRS), published by the state on data.ca.gov. Only crashes reported with map coordinates are counted, so the real totals are higher.
Places to ride to near San Anselmo
Bike climbs near San Anselmo
Nearby cities
Source: California Crash Reporting System (CCRS), 2021–2026. A report with no coordinates is placed at the intersection its street names give; reports with neither are not counted, so these numbers are lower than the real total. Busy streets show more crashes partly because more people use them. Data last rebuilt 2026-10-22. How the data works.