To get an idea of what Chicago's upcoming Sunday Parkways is going to be like, look at the "giddy sort of excitement" that New York saw on Saturday. Sure, it won't be quite like the impeccable brick walkway that was Park Avenue before 1922, but it will celebrate our tree-lined Boulevard system. Perhaps Chicago's new Dutch bike shop will open just in time. In the meantime, here's a video with safety tips on bicycling in traffic (ad plays first).