Railways & Wildlife Corridors

As a kid I remember disused railway tracks as the best places for wildlife especially reptiles. I've noticed now that areas adjacent to railways are also high in reptile numbers. Our local foxes like to nursery their cubs on the railway. I suppose it is the safest and most peaceful place. Trains after all don't make contact with the ground and you rarely see wildlife electrified. Compared with a road that is a busy, noisy, dangerous and highly polluted place. 

It makes sense. Railways are wildlife corridors and add stability to the environment. Unlike roads which severely damage the environment. Yet another reason to use the train, and pressure government to include raiways rather than roads in their plans.