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That adds a lot of complexity. You'd need a steerable axle somewhere, for starters.

The usual tool for this is a mini-truck called a "yard goat".[1] There are also forklift attachments for this job.

[1] https://www.totalwarehouse.com/lonestar-battery-powered-trac...

You could join lots of these together, put them onto a pair of parallel metal beams and move them between major hubs.

C'mon. That's so stupid! It'll never work. You'd have to put so much metal in the ground. Way too expensive! It'll never happen. What if the ground isn't flat? Huh? Did you think of that? Or if there are any curves? Metal beams are straight, so there's just no way it'd work.

AI could largely do that.