Long freight trains are supported by two feet of track at a time. How can just two feet support such heavy loads, up to many, many tons of weight on just two feet at a time? Could it be because of the foundation under the track.
Long freight trains are supported by two feet of track at a time. How can just two feet support such heavy loads, up to many, many tons of weight on just two feet at a time? Could it be because of the foundation under the track.
