You have to buy TS2010 to get the routes that are built in to TS2010, all the other assets were uploaded to the DLS for TS12 users.
MILW-EF4-E75-70s,<kuid2:82412:71001752:1>
It's on the download station, gives a warning in TS12 that it's an obsolete build number, but it does work in TS12. Just open TS12 content manager, search for category = locomotives, author = tume, right click and download.