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

Bike crash statistics and hotspots in Los Altos Hills, CA

46 bike crashes were reported in Los Altos Hills from 2021–2026, 17 of them serious or fatal (2 fatal).
bike crashes, 2021–2026
46
bike crashes, 2021–2026
serious or fatal
17
serious or fatal
fatal
2
fatal
street with the most
Page Mill Rd
street with the most
Open Los Altos Hills on the cycling mapOpen Los Altos Hills on the cycling map
1–2: the spots with the most bike crashes, explained below. Map © Mapbox © OpenStreetMap.

Is Los Altos Hills safe to ride a bike?

This page covers traffic crashes, not crime. 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. What the records show: 46 bike crashes were reported in Los Altos Hills from 2021–2026, 17 of them serious or fatal (2 fatal). The most were at Altamont Rd & Altamont Ln (5). 2% happened after dark.

Where to look next

How people on bikes get hit in Los Altos Hills

  • 2% happened after dark.

What the reports show about bike crashes in Los Altos Hills

  • 2% (California: 21%) of crashes happened after dark.
  • 37% (California: 13%) left someone seriously hurt or killed.
  • The busiest hour was 11 a.m. (California: 3 p.m.).
  • 4% (California: 3%) were on a wet road, as the report records it.
  • The reports name something about the road itself in 2 crashes: holes or deep ruts (2).

Set against all bike crashes in California, 2021–2026. Without traffic counts these can't say how risky a street is.

Where bike crashes cluster

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

  1. 015 crashes · 3 serious or fatal

    Altamont Rd & Altamont Ln

    Falls and fixed objects

    2 of 5 crashes were a fall or hitting an object, with no other vehicle involved.

    • Watch the surface here: potholes, drain grates, rail tracks and gravel. Cross tracks at a right angle.
    See it on the map
  2. 025 crashes · 2 serious or fatal

    Page Mill Rd & Via Ventana

    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

Streets with the most bike crashes in Los Altos Hills

StreetCrashesSerious/fatal
Page Mill Rd114
Altamont Rd73
Purissima Rd42

Reported bike crashes, 2021–2026, counted by the street each police report names first, so a crash at a corner counts toward one of its two streets. Long, busy streets collect more crashes partly because more people use them.

What the police reports say drivers did in Los Altos Hills

A driver…Crashes
didn't yield while turning left3
ran a stop sign or didn't yield after stopping2
turned or changed lanes when it wasn't clear2
didn't yield pulling out of a driveway or alley2
drove too fast for conditions2

The other vehicle, where the report names one: 17 cars and 1 SUV.

Reported bike crashes, 2021–2026. The officer names one party and one Vehicle Code section as the main cause of each crash; these are the crashes where that party was a driver. It is the officer's reading at the scene, not a court's finding, and many reports name the person on foot or on a bike instead, which we don't list.

Bike crashes in Los Altos Hills by year

YearCrashesSerious/fatal
2021103
2022104
202374
202494
202592
202610

How people get to work in Los Altos Hills

Share of workersCityCalifornia
Drive alone48.4%65.7%
Carpool1.6%9.5%
Public transit1.3%2.9%
Walk2.3%2.4%
Bicycle0.8%0.7%
Work from home44.3%17.2%

1.1% of households in Los Altos Hills have no car (California: 7.1%). The average trip to work takes 29.2 minutes one way (California: 28.7).

US Census American Community Survey, 2020–2024 five-year estimates, 8,377 residents. These are trips to work only: walks to school, the shops or a bus stop aren't counted, so they can't say how much walking or riding happens on Los Altos Hills's streets.

Common questions about Los Altos Hills

Where do the most bike crashes happen in Los Altos Hills?
The worst spot is Altamont Rd & Altamont Ln, with 5 reported bike crashes from 2021–2026, 3 of them serious or fatal. Next are Page Mill Rd & Via Ventana (5).
How many cyclists were killed in Los Altos Hills?
2 crashes killed someone in 46 reported bike crashes in Los Altos Hills from 2021–2026, and 17 left someone seriously hurt or killed.
How do cyclists usually get hit in Los Altos Hills?
2% happened after dark.
When and where do bike crashes happen in Los Altos Hills, compared with California?
Of 46 reported bike crashes in Los Altos Hills from 2021–2026: 2% (California: 21%) of crashes happened after dark. 37% (California: 13%) left someone seriously hurt or killed. The busiest hour was 11 a.m. (California: 3 p.m.). 4% (California: 3%) were on a wet road, as the report records it. The reports name something about the road itself in 2 crashes: holes or deep ruts (2).
Which streets in Los Altos Hills have the most bike crashes?
By the street each police report names first, 2021–2026: Page Mill Rd (11), Altamont Rd (7), Purissima Rd (4). Long, busy streets collect more crashes partly because more people use them.
How many people bike to work in Los Altos Hills?
0.8% of workers in Los Altos Hills ride a bicycle to work (California: 0.7%), and 1.3% take public transit. 1.1% of households have no car (California: 7.1%). From the Census American Community Survey, 2020–2024.
How many bike crashes happen in Los Altos Hills each year?
Reported bike crashes with map locations: 2021: 10, 2022: 10, 2023: 7, 2024: 9, 2025: 9, 2026: 1. 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.

Places to ride to near Los Altos Hills

Bike climbs near Los Altos Hills

Nearby cities

Source: California Crash Reporting System (CCRS), 2021–2026. A report with no coordinates is placed at the intersection its street names give; reports with neither are not counted, so these numbers are lower than the real total. Busy streets show more crashes partly because more people use them. Data last rebuilt 2026-10-22. How the data works.