Bike crash hotspots in South San Francisco, CA
85 bike crashes were reported in South San Francisco from 2021–2025, 12 of them serious or fatal (2 fatal). Below are the spots where they keep happening, what usually goes wrong at each one, and what to watch for.
Also: Pedestrian crash hotspots in South San Francisco (129 crashes)
How people on bikes get hit in South San Francisco
- 14% were side-impact crashes at junctions (drivers pulling out or turning across).
- 31% happened after dark.
Where bike crashes cluster
Spots with 3 or more reported crashes within about 250 m, worst first.
1. Spruce Av & Second Ln
4 crashes · 1 serious or fatal · 1 fatalA mix of crash types
50% 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.
2. Hickey Bl & Junipero Serra Bl
3 crashes · 2 serious or fatalA mix of crash types
Traffic is posted at about 40 mph.
- → No single crash pattern stands out here. Slow down, stay visible, and leave extra room.
- → Traffic is fast here. A quieter parallel street is often worth the extra minutes.
3. Airport Bl & Grand Av
6 crashesA mix of crash types
- → No single crash pattern stands out here. Slow down, stay visible, and leave extra room.
4. Grand Av & Chestnut Av
5 crashesA mix of crash types
40% 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.
5. El Camino Real Hy & W Orange Av
3 crashesA mix of crash types
- → No single crash pattern stands out here. Slow down, stay visible, and leave extra room.
6. Olive Av & Pine Av
3 crashesA mix of crash types
- → No single crash pattern stands out here. Slow down, stay visible, and leave extra room.
7. S Airport Bl & Utah Av
3 crashesSide-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.
8. Gateway Bl & S Airport Bl
3 crashesA mix of crash types
- → No single crash pattern stands out here. Slow down, stay visible, and leave extra room.
9. S Spruce Av & N Canal St
3 crashesA mix of crash types
- → No single crash pattern stands out here. Slow down, stay visible, and leave extra room.
Bike crashes in South San Francisco by year
| Year | Crashes | Serious/fatal | |
|---|---|---|---|
| 2021 | 10 | 1 | |
| 2022 | 21 | 3 | |
| 2023 | 21 | 4 | |
| 2024 | 13 | 1 | |
| 2025 | 20 | 3 |
Common questions about South San Francisco
- Where do the most bike crashes happen in South San Francisco?
- The worst spot is Spruce Av & Second Ln, with 4 reported bike crashes from 2021–2025, 1 of them serious or fatal. Next are Hickey Bl & Junipero Serra Bl (3) and Airport Bl & Grand Av (6).
- How many cyclists were killed in South San Francisco?
- 2 crashes killed someone in 85 reported bike crashes in South San Francisco from 2021–2025, and 12 left someone seriously hurt or killed.
- How do cyclists usually get hit in South San Francisco?
- 14% were side-impact crashes at junctions (drivers pulling out or turning across). 31% happened after dark.
- How many bike crashes happen in South San Francisco each year?
- Reported bike crashes with map locations: 2021: 10, 2022: 21, 2023: 21, 2024: 13, 2025: 20. 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.
Nearby cities
Source: California Crash Reporting System (CCRS), 2021–2025. Only crashes reported with map coordinates are counted, and many city police reports have none, so these numbers are lower than the real total. Busy streets show more crashes partly because more people use them. Data last rebuilt 2026-09-22. How the data works.