Last updated · Source: CCRS (data.ca.gov), FARS for fatal crashes

Bike crashes on 18th St, San Francisco

18 bike crashes were reported on 18th St in San Francisco from 2021–2026, 2 of them serious or fatal. Below is where along the street they happen, when, and what usually goes wrong.
bike crashes, 2021–2026
18
bike crashes, 2021–2026
serious or fatal
2
serious or fatal
fatal
0
fatal
Open 18th St on the cycling mapOpen 18th St on the cycling map
Each small pin is a reported crash; 1–4 are where they cluster, explained below. Map © Mapbox © OpenStreetMap.

Is 18th St in San Francisco safe to ride a bike?

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: 18 bike crashes were reported on 18th St in San Francisco from 2021–2026, 2 of them serious or fatal. The most were at 18th St & Church St (5). 28% were side-impact crashes at junctions (drivers pulling out or turning across). 39% were sideswipes (close passes, right hooks, car doors).

Where to look next

How people on bikes get hit on 18th St

  • 28% were side-impact crashes at junctions (drivers pulling out or turning across).
  • 39% were sideswipes (close passes, right hooks, car doors).
  • 28% happened after dark.

Where on 18th St crashes cluster

  1. 18th St & Church St

    5 crashes

    Side-impact crashes at the junction

    3 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.
    See it on the map
  2. 18th St & Folsom St

    3 crashes · 1 serious or fatal

    A mix of crash types

    67% 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.
    See it on the map
  3. 18th St & Lexington St

    4 crashes

    A mix of crash types

    • No single crash pattern stands out here. Slow down, stay visible, and leave extra room.
    See it on the map
  4. 18th St & Oakwood St

    3 crashes

    Close passes and cars turning alongside

    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.
    See it on the map

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

When bike crashes happen on 18th St

The busiest hour was 11 a.m..

12 a.m.6 a.m.12 p.m.6 p.m.11 p.m.

Bike crashes on 18th St by year

YearCrashesSerious/fatal
202161
202221
202340
202410
202530
202620

Common questions about 18th St

Where on 18th St do the most bike crashes happen?
18th St & Church St, with 5 reported bike crashes from 2021–2026. Next are 18th St & Folsom St (3) and 18th St & Lexington St (4).
How do cyclists usually get hit on 18th St?
28% were side-impact crashes at junctions (drivers pulling out or turning across). 39% were sideswipes (close passes, right hooks, car doors). 28% happened after dark.
How many bike crashes happen on 18th St each year?
Reported bike crashes on 18th St in San Francisco: 2021: 6, 2022: 2, 2023: 4, 2024: 1, 2025: 3, 2026: 2. 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.

Other streets in San Francisco

Source: California Crash Reporting System (CCRS), 2021–2026. Crashes are counted by the street each police report names first, so a crash at a corner counts toward one of its two streets. Only crashes reported with map coordinates are counted, so these numbers are lower than the real total. Long, busy streets show more crashes partly because more people use them. Data last rebuilt 2026-10-07. How the data works.