Interesting, but not really definitive. Seems like there's a big factor related to the size of the bike lane as well. There could also be a bias towards male an

Interesting, but not really definitive. Seems like there's a big factor related to the size of the bike lane as well. There could also be a bias towards male and female cyclists, since this experiment was conducted using a wig to make the rider look female with no helmet on. Would still like to see more. My current ride gives me a pretty huge bike lane, and so far I've felt better with a helmet on than without.