Bike crash statistics and hotspots in San Ramon, CA
- bike crashes, 2021–2026
- 114
- bike crashes, 2021–2026
- serious or fatal
- 15
- serious or fatal
- fatal
- 2
- fatal
- street with the most
- Bollinger Canyon Rd
- street with the most
Where they cluster
All 10 spots, explainedIs San Ramon 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: 114 bike crashes were reported in San Ramon from 2021–2026, 15 of them serious or fatal (2 fatal). The most were at Bollinger Canyon Rd & Dougherty Rd (10). 58% were side-impact crashes at junctions (drivers pulling out or turning across). 12% were riders hit from behind.
Where to look next
How people on bikes get hit in San Ramon
- 58% were side-impact crashes at junctions (drivers pulling out or turning across).
- 12% were riders hit from behind.
- 9% happened after dark.
What the reports show about bike crashes in San Ramon
- 9% (California: 21%) of crashes happened after dark.
- 13% (California: 13%) left someone seriously hurt or killed.
- The busiest hour was 8 a.m. (California: 3 p.m.).
- 3% (California: 3%) were on a wet road, as the report records it.
- The reports name something about the road itself in 4 crashes: a construction or repair zone (2) and something blocking the road (2).
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.
- 0110 crashes · 1 serious or fatal
Bollinger Canyon Rd & Dougherty Rd
A mix of crash types
- No single crash pattern stands out here. Slow down, stay visible, and leave extra room.
- 025 crashes · 2 serious or fatal
Bollinger Canyon Rd & Alcosta Blvd
A mix of crash types
60% happened after dark.
- No single crash pattern stands out here. Slow down, stay visible, and leave extra room.
- Use a front and rear light, even on lit streets.
- 033 crashes · 1 serious or fatal · 1 fatal
Dougherty Rd & Monarch Rd
Side-impact crashes at the junction
2 of 3 crashes were broadside: a vehicle hit at an angle, usually a driver pulling out of a side street or driveway, turning across, or running the signal.
- Slow down approaching the junction, watch drivers' front wheels at side streets and driveways, and don't assume a driver waiting to turn has seen you.
- 047 crashes
Montevideo Dr & Iron Horse Trail
Side-impact crashes at the junction
6 of 7 crashes were broadside: a vehicle hit at an angle, usually a driver pulling out of a side street or driveway, turning across, or running the signal.
- Slow down approaching the junction, watch drivers' front wheels at side streets and driveways, and don't assume a driver waiting to turn has seen you.
- 055 crashes
Montevideo Dr & Iron Horse Trail
Side-impact crashes at the junction
5 of 5 crashes were broadside: a vehicle hit at an angle, usually a driver pulling out of a side street or driveway, turning across, or running the signal.
- Slow down approaching the junction, watch drivers' front wheels at side streets and driveways, and don't assume a driver waiting to turn has seen you.
- 063 crashes · 1 serious or fatal
Pine Valley Rd & Iron Horse Trail
Side-impact crashes at the junction
3 of 3 crashes were broadside: a vehicle hit at an angle, usually a driver pulling out of a side street or driveway, turning across, or running the signal.
- Slow down approaching the junction, watch drivers' front wheels at side streets and driveways, and don't assume a driver waiting to turn has seen you.
- 074 crashes
Stoneleaf Rd & Wedgewood Rd
Side-impact crashes at the junction
3 of 4 crashes were broadside: a vehicle hit at an angle, usually a driver pulling out of a side street or driveway, turning across, or running the signal.
- Slow down approaching the junction, watch drivers' front wheels at side streets and driveways, and don't assume a driver waiting to turn has seen you.
- 083 crashes
Alcosta Blvd & Overlook Dr
A mix of crash types
- No single crash pattern stands out here. Slow down, stay visible, and leave extra room.
- 093 crashes
Bollinger Canyon Rd & Market Pl
Side-impact crashes at the junction
2 of 3 crashes were broadside: a vehicle hit at an angle, usually a driver pulling out of a side street or driveway, turning across, or running the signal.
- Slow down approaching the junction, watch drivers' front wheels at side streets and driveways, and don't assume a driver waiting to turn has seen you.
- 103 crashes
Broadmoor & St Dennis Dr
Side-impact crashes at the junction
3 of 3 crashes were broadside: a vehicle hit at an angle, usually a driver pulling out of a side street or driveway, turning across, or running the signal.
- Slow down approaching the junction, watch drivers' front wheels at side streets and driveways, and don't assume a driver waiting to turn has seen you.
Streets with the most bike crashes in San Ramon
| Street | Crashes | Serious/fatal |
|---|---|---|
| Bollinger Canyon Rd | 23 | 3 |
| Montevideo Dr | 12 | 0 |
| Alcosta Blvd | 8 | 0 |
| Crow Canyon Rd | 6 | 1 |
| Dougherty Rd | 5 | 3 |
| Pine Valley Rd | 5 | 1 |
| Norris Canyon Rd | 5 | 0 |
| San Ramon Valley Blvd | 4 | 2 |
| Broadmoor Dr | 4 | 0 |
| Deerwood Rd | 3 | 2 |
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 Ramon
| A driver… | Crashes | |
|---|---|---|
| ran a red light | 9 | |
| turned or changed lanes when it wasn't clear | 7 | |
| didn't yield at an intersection | 6 | |
| drove too fast for conditions | 4 | |
| didn't yield pulling out of a driveway or alley | 4 | |
| drifted out of the lane or onto the wrong side | 3 | |
| didn't yield to a pedestrian in a crosswalk | 3 | |
| ran a stop sign or didn't yield after stopping | 3 |
The other vehicle, where the report names one: 53 cars, 11 SUVs, 7 minivans, 6 pickup trucks and 1 truck or semi. 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 Ramon by year
| Year | Crashes | Serious/fatal | |
|---|---|---|---|
| 2021 | 19 | 3 | |
| 2022 | 23 | 2 | |
| 2023 | 24 | 4 | |
| 2024 | 15 | 2 | |
| 2025 | 18 | 3 | |
| 2026 | 15 | 1 |
How people get to work in San Ramon
| Share of workers | San Ramon | California |
|---|---|---|
| Drive alone | 54.7% | 65.7% |
| Carpool | 4.7% | 9.5% |
| Public transit | 3.4% | 2.9% |
| Walk | 1.4% | 2.4% |
| Bicycle | 0.3% | 0.7% |
| Work from home | 33.9% | 17.2% |
3.7% of households in San Ramon have no car (California: 7.1%). The average trip to work takes 34.7 minutes one way (California: 28.7).
US Census American Community Survey, 2020–2024 five-year estimates, 85,993 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 Ramon's streets.
Common questions about San Ramon
- Where do the most bike crashes happen in San Ramon?
- The worst spot is Bollinger Canyon Rd & Dougherty Rd, with 10 reported bike crashes from 2021–2026, 1 of them serious or fatal. Next are Bollinger Canyon Rd & Alcosta Blvd (5) and Dougherty Rd & Monarch Rd (3).
- How many cyclists were killed in San Ramon?
- 2 crashes killed someone in 114 reported bike crashes in San Ramon from 2021–2026, and 15 left someone seriously hurt or killed.
- How do cyclists usually get hit in San Ramon?
- 58% were side-impact crashes at junctions (drivers pulling out or turning across). 12% were riders hit from behind. 9% happened after dark.
- When and where do bike crashes happen in San Ramon, compared with California?
- Of 114 reported bike crashes in San Ramon from 2021–2026: 9% (California: 21%) of crashes happened after dark. 13% (California: 13%) left someone seriously hurt or killed. The busiest hour was 8 a.m. (California: 3 p.m.). 3% (California: 3%) were on a wet road, as the report records it. The reports name something about the road itself in 4 crashes: a construction or repair zone (2) and something blocking the road (2).
- Which streets in San Ramon have the most bike crashes?
- By the street each police report names first, 2021–2026: Bollinger Canyon Rd (23), Montevideo Dr (12), Alcosta Blvd (8), Crow Canyon Rd (6), Dougherty Rd (5). Long, busy streets collect more crashes partly because more people use them.
- How many people bike to work in San Ramon?
- 0.3% of workers in San Ramon ride a bicycle to work (California: 0.7%), and 3.4% take public transit. 3.7% of households have no car (California: 7.1%). From the Census American Community Survey, 2020–2024.
- How many bike crashes happen in San Ramon each year?
- Reported bike crashes with map locations: 2021: 19, 2022: 23, 2023: 24, 2024: 15, 2025: 18, 2026: 15. 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 Ramon
Bike climbs near San Ramon
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.