installing positive track control in the north east corridor is actually a stimulus infrastructure project. about 1/3 of the corridor has had it installed.As another poster noted earlier, we did approve nearly $1 trillion dollars in shovel-ready infrastructure projects back in 2009. This project was apparently not a high priority for the democrat government at the time.
new york times article
According to the January/February issue of Amtrak Ink, a publication for employees, Amtrak had equipped about 400 miles of track with the advanced system. That included the New England Line, from Boston to New Haven; the New York Line, from New Brunswick, N.J., to Trenton; and the Mid-Atlantic Line, from Perryville, Md., to Wilmington, Del. The next step is another 1,200 miles of track, including the rest of the Northeast Corridor.