5 million Boris Bike Trips

New visualization from Jo Wood at City University London of the Boris Bikes. These visualization have been popping up a lot. This one is particularly good as it shows the development of patterns in usage over time. It would be nice to have some sense of the passage of...

On bicycle helmets

Many of people ask me about bicycle helmets. Do they work? Should they wear one? They heard that study XYZ said they didn’t do anything so they don’t wear one. In the past few months I’ve been involved in some relatively heated debates with people,...