I would agree, but I think the problem with trains is you have to load and unload the containers onto railcars. I've seen UPS and FedEx semis pulling 3 short t

I would agree, but I think the problem with trains is you have to load and unload the containers onto railcars. I've seen UPS and FedEx semis pulling 3 short trailers on interstates. I assume they're only limited by current regulations on weight and length.