Saw a video of a large train carrying pre built rail panels out there.I got these pics from the Missouri Highway Patrol Facebook page. It is not where I thought.View attachment 751887
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Some steel ties too in suitable places like sidings and turnouts.I see slowly but surely, America's railroads are getting away creosote coated wooden sleepers and going to pre cast concrete ones. Last longer, less maintenance and no disposal issues, plus the hold down hardware stays put.