Track work begins in Wisconsin to improve Amtrak operations

Join the discussion on the following article:

Track work begins in Wisconsin to improve Amtrak operations

Well, one might wonder what the Milw. Rd. considered the optimal operating scheme back when many more trains ran on the that line. A third track? When were the original crossovers taken out? Remember the single tracking of most of the line to MSP/StP by CP? Back to the past redux.