But they do!
Only that they're so thick, that it takes a really long time before there is any damage.
And the surface of a rail that is in use is shiny- it is polished by steel wheels with several hundred tons of force each time a train passes over them.
They are made of iron and iron rusts.
They're just steel - used ones rust too, but passing trains scrape off the rust (on top).
No. Railway tracks are only the rails and ties/sleepers and hardware used to hold the track in place. A railway line is a set of tracks designed to move a train between at least 2 points. A railway line can consist of many tracks.
France has more railway tracks than Belgium.
Yes
Contraction is the reason that railway tracks sound louder in winter.
France has 29,901 kilometres of railway.
steel
Railway tracks
Railway tracks
shiet
Gangman/trackman is a person who is involved in laying and maintaing railway tracks.