Bicycle Bump Report Form
Please report all bicycle bumps to help Caltrain with capacity planning and to help your fellow bicycle commuters with commute planning. All bump reports (excluding email addresses) are displayed in real-time here:
Form created by the BIKES ONboard project of the San Francisco Bicycle Coalition:
Contact us at
Your email address
We will not share your email address with anyone, and it will not be displayed to others.
Do NOT keep me informed about bikes and Caltrain.
Date of bicycle bump(s)
Enter mm/dd. Example: 01/27
Total number of bumped bikes
Please count accurately.
4th & King
South San Francisco
San Jose Diridon
North toward San Francisco; South toward San Jose
Scheduled departure time
Enter hour:minutes with am or pm. Example: 7:19am
Enter three digit train number, if known.
Gallery cars have one center door. Bombardier cars have a door at each end.
Additional information about what happened, how getting bumped affected your day, suggestions to Caltrain management, etc.
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