Use a winch to haul your fully-laden combat vehicle onto a flatbed train car and take it along with you on your rail journey!
Mods introducing new content into the game.
Transportation of the player, be it vehicles or teleporters.
I would consider tihs one semi critical. Waiting for mods to start a new game ;)
Second
I wrote an quick update for 0.17. https://forums.factorio.com/viewtopic.php?f=190&t=31489&p=409732#p409732
New version of this mod. While I lead support with the help of comrades.
https://mods.factorio.com/mod/VehicleWagon2
