Are Cars Turning Into Mini Trains?

Over the past couple years we've seen a bump in technologies that make cars "smarter" so that they're safer to drive and rush hour isn't so migraine-inducing. Are our roads really becoming more like railways? The Utopianist has an interesting post on how our cars -- seemingly individually controlled vehicles -- are starting to become more trainlike. Check out the ups and downs of the transition to possibly safer, more efficient roads.