Several years ago I read a study that correlated the number of bicyclists on a city's streets with the number of bicycle-automobile accidents. The results were surprising. You'd think that as bike riders go up, bike-car accidents would rise. This study found that while there were more bike-car accidents overall, the proportionate number of accidents was fewer. In other words, the more cyclists on the road, the smaller the likelihood an individual cyclist would be in a bike-car accident.The authors of the study concluded that as motorists become more accustomed to seeing cyclists, they amend their driving behavior to safely …