The Globe laments that there aren't more bike paths being built in the state, but while bike paths are fine, and many people prefer to ride on them, but I doubt we will ever have a comprehensive network of them in Greater Boston.
How about just cleaning and paving the roads we already have? In Boston, Cambridge, Belmont, Arlington, and many other towns where I often ride, the potholes, patches on top of patches, and sand and other debris along the edge of the road make riding a bike much less safe and pleasant than it could be. Maintenance isn't as glamorous as a new bike lane, but it would be a lot simpler and would make a huge difference.
The path less traveled - The Boston Globe