That discusses 'superloads', I hadn't heard it called that before but it's accurate in the sense that things like self-propelled modular transporters (or towed equivalents) can move just about anything just about anywhere IF the road infrastructure all along the route is amenable to it.
Pictures don't do them justice, they're amazing to see in person. I think a typical SMR is on the small end of what's possible to move by road.
So are wind turbines. "Deliverable by truck" in this sense means "physically fits on a closed-down highway", not "you'll randomly pass it on your commute".
https://www.icetransport.com/blog/what-are-the-maximum-overs...
("Oversize/Overweight Permit Limits by State (Standard Freight Loads") that should be deliverable by truck with a permit.