[Ep. 120] The Dutch build cycle paths that continue on their junctions. They must have wider streets, right? Wrong! This video shows how it is done, no extra space is needed. More info: http://bicycledutch.wordpress.com/2011/04/07/state-of-the-art-bikeway-design-or-is-it/ And see part 2 of this video too: http://www.youtube.com/watch?v=5HDN9fUlqU8
A real-life example of this intersection design is shown in the following video: https://www.youtube.com/watch?v=TemAwgUrWJc