Nationalizing the Norfolk Southern springs immediately to mind.

Some days it actually seems that the project will be finished before I'm too old to use it.

Obstacles remain, but Ohio River 'dreamway' taking shape, by Ben Zion Hershberg (Courier-Journal)

... But there are several stumbling blocks to completing the loop that will join Louisville and Southern Indiana, including work on making the Big Four bridge a walking path across the Ohio and obtaining pedestrian and bicycle access to the K&I Bridge between New Albany and Louisville.