Adds a structure that raises or lowers whatever is standing/parked on it to a designated level.
Each platform could be built individually (instead of pairs)
Requires power
Needs to be aligned with platform(s) on different levels to go to that level
Can accept wire input to specify level and activation and maybe 'locking' from a designated master input
Could provide passive pollution equalization unless upgraded/restricted by some other feature.
-Could allow biters to freely enter lower levels without said restriction, incentivize defense
Possible tracked version for more compact(?) and complex train routes.
One utility of this is being able to charge up shields with solar power on the surface and then descend with shields enabled and leftover energy.
Edit: I guess picking up and placing the vehicle in sunlight can do this.
you're looking for Transport Rings. they can be keyed manually or set up to automatically fire using circuits. they transfer everything. buildings, enemies, players, even trains.