Bicycle tunnel with tailwinds (729)
Bicycle freeways in which bicyclists are propelled by artificially created tailwinds have been proposed many times, for several decades. A company by the name of Bicycle Transportation Systems, of Denver, Colorado, is currently promoting this concept. A drawing from the Bicycle Transportation Systems Web site illustrates the concept. Bicycle Transportation Systems claims that this system is "the future of mass transportation."
Shared Lane Symbol Placement (598)
I really like this European style of bike lane markings and I would love to see something like that here.