Is it almost timeto bring out the Precambrian basement topography map? (cartoon, really) There is a lot of rock between there and the Cretaceous, but it sets the stage to be sure. Shows large paleo basins south and north actually. Seems to me I mentioned having it and posted a link about 8 months ago.
Besides, one would to go through all the trouble of layering the roads over it to see where everything is. And so little time......