You do realize, that this route is in excess of 70 miles long, with several branchlines, and HUGE HUGE yards, and with sprawling Steel Mill complex's, each containing several hundered miles of track in each yard, and some of which are 70 tracks across ? Click on this link--->
http://www.ejearchive.com/page_maps.html and click on the
5 B&W maps to get an idea of just how immence this project would be to replicate it in the prototype's entirety.
Here is a great crossing diamond of several of the areas RR lines.