The great thing about (at least the Swedish) 2+1 roads is that not only do you avoid accidents with oncoming traffic when overtaking, but since you can now put

The great thing about (at least the Swedish) 2+1 roads is that not only do you avoid accidents with oncoming traffic when overtaking, but since you can now put a railing in the middle, you also avoid accidental head-on collisions. Which is one of the surest ways to die in a car. I'm not sure if it's pragmatic from an economic perspective, but it is from an engineering one. http://c.ymcdn.com/sites/www.safestates.org/resource/resmgr/imported/Vision%20Zero%20Article%20-%20Safety%20Science.pdf http://c.ymcdn.com/sites/www.safestates.org/resource/resmgr/... http://www.unece.org/fileadmin/DAM/trans/roadsafe/unda/Sweden_Swe_VisionZero.pdf http://www.unece.org/fileadmin/DAM/trans/roadsafe/unda/Swede... http://www.citylab.com/commute/2014/11/the-swedish-approach-to-road-safety-the-accident-is-not-the-major-problem/382995/ http://www.citylab.com/commute/2014/11/the-swedish-approach-...