2 ms·
This is a solved problem in first world developed countries: https://en.wikipedia.org/wiki/Ballastless_track https://en.wikipedia.org/wiki/Ballastless_track
by LargoLasskhyfv 2y ago
This is a solved problem in first world developed countries:
https://en.wikipedia.org/wiki/Ballastless_track https://en.wikipedia.org/wiki/Ballastless_track