I don't have time now to write a comment laying out a comprehensive rebuttal of all the foolishness that some people have suggested here (bicyclists need to be licensed! bicyclists should have to follow exactly the same rules as drivers! we shouldn't have bicyclists on many roads because cars go too fast!). Instead, I'll say that just as people walking need physically protected infrastructure on essentially all roadw…
> Instead, I'll say that just as people walking need physically protected infrastructure on essentially all roadways - these are called sidewalks - so too people on bicycles need physically protected infrastructure on essentially all roadways Where do we stop? Should we have skateboard lanes as well? Unicycle lanes? Lanes for people who wish to taxi down the road in a Learjet? We can't accommodate every form of trans…
Getting more people out of cars (and off of buses) and onto bikes requires making them feel safe and unstressed. The best way to do that is to create dedicated bikeways. The Dutch have been doing this for 70 years or so, it works amazingly well, so much so that people don't even wear bike helmets!
Also, nobody is saying that Segways, skateboards, inline skates, unicycles, etc. wouldn't be welcome in the bike lane, if they can stay in their lane and move predictably at a speed compatible with cycling.