Crash on Arroyo Mocho Trail at West Las Positas Road, Pleasanton, California

Saturday, May 31, 2025 at 9:00 AM

Injury crashBicyclist involved1 vehicle
Report number
25-01786

From the CHP CCRS, record last updated October 25, 2026. No changes since first published.

Where and when

Location
Arroyo Mocho Trail at West Las Positas Road
City, county
Pleasanton, Alameda County
Collision type
Overturned
Motor vehicle involved with
Non-Collision
Primary collision factor cited
No
Weather
Other
Light
Daylight
Road surface
Loose Material on Roadway*
Hit and run
No
People involved
1
Injured
1
Killed
0

Vehicles and people

Bicycle

Unit 1: Bicycle

Bicycle

Direction of travel
North
Maneuver
Proceeding Straight
  • Bicyclist, male, 52
    Serious injury

What the officer recorded

Violation cited
22350as recorded on the report
Unit 1 contributing factor
UNFAMILIAR WITH ROADas recorded on the report
Unit 1 driver condition
CELL PHONE USE UNKNOWNas recorded on the report

A contributing factor or charge recorded by an officer is not a finding of fault or a conviction. We show the record as the state released it.

Nearby and recent

All Pleasanton crashes, May 2025

About this record

Source
CHP CCRS
Updates
Changes the state makes to this record are applied here when the source publishes them
First published here
October 25, 2026
Last updated
October 25, 2026, no changes recorded
What is left out
Names, addresses, plates, and license and insurance numbers are not in the public data and never appear here

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