In this week's feature, "On a Roll
," we take a look at the growth of cycling in Denver and the potentially fatal consequences
. As more Denver residents are hopping on bikes, tensions on the road seem to be at an all-time high -- and collisions between bikes and cars certainly are. Here, we dig deeper into a recent police report on where crashes are happening, who is at fault, and how the problem, at least by some measures, is worsening.