Thankfully, there are still some pretty weird train lines running around the world. There’s a brand new rail network in Switzerland that runs on trains that can expand and contract, and the ...

A track geometry car (also known as a track recording car) is an automated track inspection vehicle on a rail transport ...

So why is this the case? As stated above, the issue comes with counting the train's axles. Along the train track, detectors are placed to count the number of wheels which travel over it.