"Problem:
Bikes are cheap, healthy, and good for the environment; but the environment is not designed for them. #Bikes on roads are threatened by #cars; bikes on paths threaten #pedestrians.
Solution:
Build a system of paths designated as bike paths, with the following properties: the #bikepaths are marked clearly with a special, easily recognizable surface (for example, a red asphalt surface). As far as possible they run along local roads, or major pedestrian paths....