Amsterdam had to figure it out the hard way. When they did it, nobody even knew what to do. Now that they have done the hard work, the patterns can be copied el

Amsterdam had to figure it out the hard way. When they did it, nobody even knew what to do. Now that they have done the hard work, the patterns can be copied elsewhere. What I am talking about are the junction designs, bike path designs, etc. These need to be taught to every road engineer in the world.