Data last rebuilt 2026-09-22

Motorcycle crash hotspots in San Francisco, CA

405 motorcycle crashes were reported in San Francisco from 2021–2025, 74 of them serious or fatal (30 fatal). Below are the spots where they keep happening, what usually goes wrong at each one, and what to watch for.
motorcycle crashes, 2021–2025
405
motorcycle crashes, 2021–2025
serious or fatal
74
serious or fatal
fatal
30
fatal
These numbers are too low for San Francisco. Only 25% of the motorcycle crashes reported here have a map location. The rest come from police reports sent to the state without coordinates, so they're missing from the map and from the counts on this page.

Is San Francisco safe to ride a motorcycle?

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. The records for San Francisco are also incomplete: only 25% of its reported motorcycle crashes have a map location, so the numbers here are too low. What the records show: 405 motorcycle crashes were reported in San Francisco from 2021–2025, 74 of them serious or fatal (30 fatal). The most were at US-101 To I-80 & Division Street Undercrossing (18).

How motorcyclists crash in San Francisco

  • 22% involved no other vehicle, usually running wide or losing grip.
  • 25% happened after dark.
  • 13% were hit-and-run.

Where motorcycle crashes cluster

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

  1. 0118 crashes · 5 serious or fatal · 3 fatal

    US-101 To I-80 & Division Street Undercrossing

    Falls and fixed objects

    11 of 18 crashes were a fall or hitting an object, with no other vehicle involved. 44% happened after dark. Traffic is posted at about 50 mph.

    • Enter slower than feels necessary and watch for gravel, sand and diesel. Look through the bend.
    • Wear bright or reflective gear and use your high beam where you can.
    • Traffic is fast here: at this speed you cross a junction in about a second, so scan early.
    See it on the map
  2. 0211 crashes · 3 serious or fatal · 1 fatal

    I-80 & Beale Street

    Close passes and cars turning alongside

    6 of 11 crashes were sideswipes: a vehicle alongside, typically a close pass, a right hook, or an opening car door. Traffic is posted at about 50 mph.

    • Don't linger in drivers' blind spots, and watch for cars changing lanes or turning into driveways alongside you.
    • Traffic is fast here: at this speed you cross a junction in about a second, so scan early.
    See it on the map
  3. 0315 crashes · 2 serious or fatal

    US-101 & 23rd Street Overcrossing

    Riders hit from behind

    7 of 15 crashes were rear-end: hit from behind. Traffic is posted at about 50 mph.

    • Check your mirrors when slowing, flash your brake light, and leave an escape gap when you stop in traffic.
    • Traffic is fast here: at this speed you cross a junction in about a second, so scan early.
    See it on the map
  4. 0413 crashes · 1 serious or fatal · 1 fatal

    I-80 & Main Street Undercrossing

    Riders hit from behind

    5 of 13 crashes were rear-end: hit from behind. Traffic is posted at about 50 mph.

    • Check your mirrors when slowing, flash your brake light, and leave an escape gap when you stop in traffic.
    • Traffic is fast here: at this speed you cross a junction in about a second, so scan early.
    See it on the map
  5. 059 crashes · 3 serious or fatal · 1 fatal

    I-80 Westbound To Harrison Street & 2nd Street

    Falls and fixed objects

    4 of 9 crashes were a fall or hitting an object, with no other vehicle involved. Traffic is posted at about 50 mph.

    • Enter slower than feels necessary and watch for gravel, sand and diesel. Look through the bend.
    • Traffic is fast here: at this speed you cross a junction in about a second, so scan early.
    See it on the map
  6. 0611 crashes · 1 serious or fatal · 1 fatal

    US-101 & Faith St Pedestrian O/C

    Riders hit from behind

    5 of 11 crashes were rear-end: hit from behind. Traffic is posted at about 50 mph.

    • Check your mirrors when slowing, flash your brake light, and leave an escape gap when you stop in traffic.
    • Traffic is fast here: at this speed you cross a junction in about a second, so scan early.
    See it on the map
  7. 078 crashes · 2 serious or fatal · 1 fatal

    US-101 & 15th Street

    Falls and fixed objects

    5 of 8 crashes were a fall or hitting an object, with no other vehicle involved. Traffic is posted at about 50 mph.

    • Enter slower than feels necessary and watch for gravel, sand and diesel. Look through the bend.
    • Traffic is fast here: at this speed you cross a junction in about a second, so scan early.
    See it on the map
  8. 0812 crashes · 1 serious or fatal

    Us 101 Nb & Cesar Chavez Street

    A mix of crash types

    Traffic is posted at about 50 mph.

    • No single crash pattern stands out here. Ride within your sight distance and keep extra space.
    • Traffic is fast here: at this speed you cross a junction in about a second, so scan early.
    See it on the map
  9. 098 crashes · 3 serious or fatal

    US-101 Southbound & Cortland Avenue

    Falls and fixed objects

    4 of 8 crashes were a fall or hitting an object, with no other vehicle involved. Traffic is posted at about 50 mph.

    • Enter slower than feels necessary and watch for gravel, sand and diesel. Look through the bend.
    • Traffic is fast here: at this speed you cross a junction in about a second, so scan early.
    See it on the map
  10. 1012 crashes · 1 serious or fatal

    I-80 & The Embarcadero

    Riders hit from behind

    5 of 12 crashes were rear-end: hit from behind. Traffic is posted at about 50 mph.

    • Check your mirrors when slowing, flash your brake light, and leave an escape gap when you stop in traffic.
    • Traffic is fast here: at this speed you cross a junction in about a second, so scan early.
    See it on the map

Motorcycle crashes in San Francisco by year

YearCrashesSerious/fatal
20218722
20228720
2023658
20248611
20258013

Common questions about San Francisco

Where do the most motorcycle crashes happen in San Francisco?
The worst spot is US-101 To I-80 & Division Street Undercrossing, with 18 reported motorcycle crashes from 2021–2025, 5 of them serious or fatal. Next are I-80 & Beale Street (11) and US-101 & 23rd Street Overcrossing (15). These counts are too low for San Francisco: only 25% of its reported motorcycle crashes have a map location.
How many motorcyclists were killed in San Francisco?
30 crashes killed someone in 405 reported motorcycle crashes in San Francisco from 2021–2025, and 74 left someone seriously hurt or killed. These counts are too low for San Francisco: only 25% of its reported motorcycle crashes have a map location.
How do motorcyclists usually crash in San Francisco?
22% involved no other vehicle, usually running wide or losing grip. 25% happened after dark. 13% were hit-and-run.
How many motorcycle crashes happen in San Francisco each year?
Reported motorcycle crashes with map locations: 2021: 87, 2022: 87, 2023: 65, 2024: 86, 2025: 80. 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. Freeway crashes are included: many motorcycle crashes in cities happen on them. Busy streets show more crashes partly because more people use them. Data last rebuilt 2026-09-22. How the data works.