Also surprising: Of the 962 commuters studied, the rate of injury was the same for advanced and beginning riders. Interesting.
I talked with Dr. John Mayberry, whose work during 15 years as a trauma surgeon in Portland for 15 years inspired him to perform the long-term study of bike injuries, about what his research means. Read the study online here.
MERC: Your study shows that over 20 percent of cyclists experience a "traumatic or serious" injury. What qualified as traumatic?
DR. MAYBERRY: You had to actually be injured. It could just be skinning your knee or spraining your ankle, but it couldn't just be a near miss. I think it was surprising, I think we were expecting less injuries. But it's a wide swath, the serious traumatic events where someone had to see a doctor were only five percent.
What can this study tell us about making biking safer?
We can only surmise this, but we can't prove it, but one of our major conclusions is that it's not the rider themselves who is dangerous, it's the environment. Maybe 10 years ago, if we'd done this study, we'd have found different results. But it could be that Portland's education infrastructure and cultural infrastructure is such that the most bang for your buck in injury prevention is building new facilities. What we did find is that poor roadway surfaces were a factor in 20 percent of serious events. Here's a very simple way to improve safety. It's not just enough to have the infrastructure but you need to maintain it.