2 thoughts on “A train that builds it’s own track”

  1. The P811 doesn’t build brand new track per say. The front of the machine is pulled by standard locomotives on existing track while the middle of the machine removes the old spikes, rail, and wooden ties, replacing them with new concrete ties, rail and clips to hold everything together. If everything goes well, they can rebuild several miles of track in one day. Here is a link to the specifications of the current model (TRT-909).


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