The sky is a bigger place than a road. 3D vs 1D. No comparison. While this is true, in theory, the various flight pathes are very, very tightly regulated and c

The sky is a bigger place than a road. 3D vs 1D. No comparison. While this is true, in theory, the various flight pathes are very, very tightly regulated and controlled. Here's an interesting (if rivetting) read what can go wrong when a plane deviates from it's assigned path and height http://www.vanityfair.com/culture/2009/01/air_crash200901 http://www.vanityfair.com/culture/2009/01/air_crash200901