> Amtrak is the big interstate rail company. This is true only if you consider passenger rail. In terms of freight rail, the US has 6: Canadian Pacific (which

> Amtrak is the big interstate rail company. This is true only if you consider passenger rail. In terms of freight rail, the US has 6: Canadian Pacific (which recently acquired the 7th), Canadian National, Union Pacific, BNSF, CSX, and Norfolk Southern. Note that the smallest of these has more track than all but ~13 other countries, and the largest would be #4.