Originally Posted by Cubsfan

Not quite true here. They are allowed to be in the lanes but don't have the same rights as cars. They can be in the lanes, as long as there is no bike lane. But they don't have the same rights as a car. For one, they can't impede traffic for an unreasonable amount of time. Also, if they ride two abreast (which is the most they can), they have to move to single file if there's a car. A car can pass and is legally allowed to cross the center line, but must give the cyclist 3 feet clearance in order to pass.

http://blog.leescyclery.com/tag/bike-shop-fort-collins/