Quote Originally Posted by CaptDave View Post
^ Take a look at the clearance at the BNSF bridge - no room for more than four lanes.
I think it could be done. If not, that would be a stretch to build like I-35 is in Austin, with four lanes below and four lanes above. That would be amazing to have the four existing lanes, and then the railroad tracks, and then the four additional lanes above that as a three-level stack.