> Does that, however, mean bicycles should swerve between cars like motorcycles in CA ( and lately -- illegally -- in IL ) or go against the traffic diagonally?

> Does that, however, mean bicycles should swerve between cars like motorcycles in CA ( and lately -- illegally -- in IL ) or go against the traffic diagonally? In my anecdotal experience driving all over the country, aggressive bike riding tends to pair with poor bicycling infrastructure. Where infrastructure is designed for bikes and following the rules is safe and makes sense, then compliance also goes up. This is much of the point that the article was making.