Help make biking safer

Bikewise is a place to learn about and report bike crashes, hazards, and thefts.

You can help by reporting issues you see.

By sharing our experiences with each other and with researchers and relevant agencies, we can make bicycling safer and more fun.

Check out our map of theft data. (source code)

Incidents reported this month. View a map of all incidents here.

Submit a report!

Have you seen or been involved in a crash? Had your bike stolen? Encountered a hazard or a bike infrastructure issue?

Tell us about it!

Register your stolen bike - It will show up on Bikewise once it's approved

Viewing reports

Bikewise provides a way to find biking related incidents like Crashes, Hazards, Infrastructure issues, and Thefts


Designed for programmers and data scientists

View the API documentation or the source code.

Bikewise is built to be useful tool for developers and data scientists. Take advantage of it! This isn't a finished polished tool, but it's useful already.