Oooooh, well, the road scientists are still at work to find out who's eating all the asphalt of the world causing a dramatic global shortage of bends and center lines... Naa, but they check out data-sets and stuff to see how many roadless areas are inside protected zones, and more... Enjoy. The post is here: http://www.sciencemug.com/2018/04/the-roads-researchers-map-pt-34.html Ciaz!