Heaviest current production SUV is 6274 pounds for a Lincoln Navigator https://en.wikipedia.org/wiki/List_of_automotive_superlatives#Curb_Weight https://en.wik

Heaviest current production SUV is 6274 pounds for a Lincoln Navigator https://en.wikipedia.org/wiki/List_of_automotive_superlatives#Curb_Weight https://en.wikipedia.org/wiki/List_of_automotive_superlative... Federal interstate MINIMUM construction standard is to assume 105500 pound semi trucks. https://en.wikipedia.org/wiki/Federal_Bridge_Gross_Weight_Formula https://en.wikipedia.org/wiki/Federal_Bridge_Gross_Weight_Fo... IF you could get the big trucks off the roads, maybe use very small pickup sized autonomous self driving trucks running on and 3 inch thick concrete like a driveway, THEN $600K would probably be achievable. There are also correction factors that a SUV probably never exceeds 5 MPH on a driveway and usually doesn't park there and frankly most cheap driveways would be destroyed by a vehicle that heavy anyway, whereas the road has to survive 24x7 service at 75 MPH. The pounding the road takes at 75 MPH at 105500 pounds must simply be incredible.