Bike crashes on Harrison St, San Francisco

We don't rate streets 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. This page covers traffic crashes, not crime. What the records show: 37 bike crashes were reported on Harrison St in San Francisco from 2021–2026, 6 of them serious or fatal. The most were at Harrison St & Mariposa St (6). 73% were side-impact crashes at junctions (drivers pulling out or turning across). 27% happened after dark.

• The worst spot, on the mapHarrison St & Mariposa St6 crashes. Side-impact crashes at the junction.
• Next in San FranciscoMarket St160 bike crashes, 2021–2026
• The whole cityBike hotspots in San Francisco2,412 bike crashes, 2021–2026

• 73% were side-impact crashes at junctions (drivers pulling out or turning across).
• 27% happened after dark.

Set against all bike crashes in California:

• 27% (California: 21%) of crashes happened after dark.
• 16% (California: 13%) left someone seriously hurt or killed.
• The busiest hour was 6 p.m. (California: 3 p.m.).

1. Harrison St & Mariposa St

   6 crashes · 1 serious or fatal

   Side-impact crashes at the junction

   6 of 6 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.
   See it on the map

2. Harrison St & 16th St

   6 crashes

   Side-impact crashes at the junction

   4 of 6 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.
   See it on the map

3. Harrison St & 5th St

   3 crashes · 1 serious or fatal

   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.
   See it on the map

4. Harrison St & 24th St

   3 crashes · 1 serious or fatal

   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. 67% happened after dark.

   • 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.
   • Use a front and rear light, even on lit streets.
   See it on the map

5. Harrison St & 13th St

   3 crashes

   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.
   See it on the map

Spots with 3 or more reported crashes within about 250 m, worst first.

The busiest hour was 6 p.m..

Where on Harrison St do the most bike crashes happen?

Harrison St & Mariposa St, with 6 reported bike crashes from 2021–2026, 1 of them serious or fatal. Next are Harrison St & 16th St (6) and Harrison St & 5th St (3).

How do cyclists usually get hit on Harrison St?

73% were side-impact crashes at junctions (drivers pulling out or turning across). 27% happened after dark.

When do bike crashes happen on Harrison St, compared with California?

Of 37 reported bike crashes on Harrison St in San Francisco from 2021–2026: 27% (California: 21%) of crashes happened after dark. 16% (California: 13%) left someone seriously hurt or killed. The busiest hour was 6 p.m. (California: 3 p.m.).

How many bike crashes happen on Harrison St each year?

Reported bike crashes on Harrison St in San Francisco: 2021: 4, 2022: 9, 2023: 8, 2024: 5, 2025: 6, 2026: 5. 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, counted by the street each report names first. Only crashes reported with map coordinates are counted, so the real totals are higher.