Bike crash hotspots in Costa Mesa, CA
361 bike crashes were reported in Costa Mesa from 2021–2025, 56 of them serious or 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 Costa Mesa (172 crashes)
How people on bikes get hit in Costa Mesa
- 38% were side-impact crashes at junctions (drivers pulling out or turning across).
- 16% happened after dark.
Where bike crashes cluster
Spots with 3 or more reported crashes within about 250 m, worst first.
1. 19th St & Newport Bl
13 crashes · 3 serious or fatalA mix of crash types
- → No single crash pattern stands out here. Slow down, stay visible, and leave extra room.
2. E 17th St & Tustin Av
14 crashes · 1 serious or fatalSide-impact crashes at the junction
7 of 14 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.
3. Harbor Bl & Fair Dr
10 crashes · 2 serious or fatalA mix of crash types
- → No single crash pattern stands out here. Slow down, stay visible, and leave extra room.
4. Harbor Bl & Adams Av
11 crashes · 1 serious or fatalA mix of crash types
- → No single crash pattern stands out here. Slow down, stay visible, and leave extra room.
5. Victoria St & Doctors Cir
9 crashes · 2 serious or fatalSide-impact crashes at the junction
4 of 9 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.
6. Orange Av & Cabrillo St
6 crashes · 3 serious or fatalA mix of crash types
- → No single crash pattern stands out here. Slow down, stay visible, and leave extra room.
7. E 17th St & Santa Ana Av
6 crashes · 3 serious or fatalA mix of crash types
- → No single crash pattern stands out here. Slow down, stay visible, and leave extra room.
8. Victoria St & Placentia Av
5 crashes · 3 serious or fatalA mix of crash types
- → No single crash pattern stands out here. Slow down, stay visible, and leave extra room.
9. Pomona Av & W 19th St
8 crashes · 1 serious or fatalA mix of crash types
- → No single crash pattern stands out here. Slow down, stay visible, and leave extra room.
10. E 17th St & Superior Av
9 crashesSide-impact crashes at the junction
7 of 9 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.
Bike crashes in Costa Mesa by year
| Year | Crashes | Serious/fatal | |
|---|---|---|---|
| 2021 | 42 | 4 | |
| 2022 | 63 | 10 | |
| 2023 | 84 | 14 | |
| 2024 | 89 | 15 | |
| 2025 | 83 | 13 |
Common questions about Costa Mesa
- Where do the most bike crashes happen in Costa Mesa?
- The worst spot is 19th St & Newport Bl, with 13 reported bike crashes from 2021–2025, 3 of them serious or fatal. Next are E 17th St & Tustin Av (14) and Harbor Bl & Fair Dr (10).
- How many cyclists were killed in Costa Mesa?
- No deaths were reported in 361 reported bike crashes in Costa Mesa from 2021–2025, and 56 left someone seriously hurt or killed.
- How do cyclists usually get hit in Costa Mesa?
- 38% were side-impact crashes at junctions (drivers pulling out or turning across). 16% happened after dark.
- How many bike crashes happen in Costa Mesa each year?
- Reported bike crashes with map locations: 2021: 42, 2022: 63, 2023: 84, 2024: 89, 2025: 83. 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.