I don't understand how you could have many trains on the same track. If one train needs to stop then do they all stop? I guess you could have sections every ha

I don't understand how you could have many trains on the same track. If one train needs to stop then do they all stop? I guess you could have sections every half mile or so but that sounds crazy expensive. Putting a pump out in the middle of nowhere. And how would train yards work? Assuming you used sections how long would they be? 10 feet? Cool idea though, first time I've seen it.