Originally Posted by jake_blue
I concepted something like this with a Jeep buddy for an off-road vehicle because axles and drivelines just restrict articulation but I don't foresee that being a factor in a bus. That being said, there could be advantages such as better all-wheel traction control although the turning radius would be limited by the steering wheel limitations. I think Chevy tried an all-wheel steering pickup truck once but the fact that it's not available now suggests that there's more to the physics than just making all wheels able to pivot.
Oh, i see...what if instead you'd turn the bus "tank-like", 1/2 going front, 1/2 going back? still pretty tight turn radius for a 40footer!
switching from FWD, RWD or AWD depending or road conditions...