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

Bike crashes on Mary Ave, Sunnyvale

15 bike crashes were reported on Mary Ave in Sunnyvale from 2021–2026, 1 of them serious or fatal. Below is where along the street they happen, when, and what usually goes wrong.
bike crashes, 2021–2026
15
bike crashes, 2021–2026
serious or fatal
1
serious or fatal
fatal
0
fatal
Open Mary Ave on the cycling mapOpen Mary Ave on the cycling map
Each small pin is a reported crash; 1–1 are where they cluster, explained below. Map © Mapbox © OpenStreetMap.

Is Mary Ave in Sunnyvale 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: 15 bike crashes were reported on Mary Ave in Sunnyvale from 2021–2026, 1 of them serious or fatal. The most were at Mary Ave & Olive Ave (3). 53% were side-impact crashes at junctions (drivers pulling out or turning across). 33% were sideswipes (close passes, right hooks, car doors).

Where to look next

How people on bikes get hit on Mary Ave

  • 53% were side-impact crashes at junctions (drivers pulling out or turning across).
  • 33% were sideswipes (close passes, right hooks, car doors).
  • 7% happened after dark.

Where on Mary Ave crashes cluster

  1. Mary Ave & Olive Ave

    3 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

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

When bike crashes happen on Mary Ave

The busiest hour was 8 a.m..

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

Bike crashes on Mary Ave by year

YearCrashesSerious/fatal
202150
202220
202320
202421
202540
202600

Common questions about Mary Ave

Where on Mary Ave do the most bike crashes happen?
Mary Ave & Olive Ave, with 3 reported bike crashes from 2021–2026.
How do cyclists usually get hit on Mary Ave?
53% were side-impact crashes at junctions (drivers pulling out or turning across). 33% were sideswipes (close passes, right hooks, car doors). 7% happened after dark.
How many bike crashes happen on Mary Ave each year?
Reported bike crashes on Mary Ave in Sunnyvale: 2021: 5, 2022: 2, 2023: 2, 2024: 2, 2025: 4, 2026: 0. 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 Sunnyvale

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.