Posted by Nuc on May 17, 2024 
Another detail you captured: the use of a giant pre-fab culvert for the underpass. I've always wondered why there aren't more of those - roll it into position, pour a little concrete, pile up the dirt and you're done.
Posted by Greg Mross on May 17, 2024 
I have seen these in use on the LS&I in Michigan as well.
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