The thing is, when was the "T" built? 1980? Here, when at one time, Pittsburgh had the largest trolley system in the US, the birthplace and home of Westinghouse, and that stupid single line through the South Hills is all they did? Oh wait, I forgot about the "big dig" so Stillers fans can get off at Heinz Field an' at.
With existing rail and trails, there should be extensions to:
Shadyside/Oakland/East End.
AK Valley (Rt 28)
Ohio Valley (either rt 51 or 65 pick one).
Cranberry/North (rt 19)
Want to do something significant that is truly green? That takes pressure off of aging infrastructure? Promote and support businesses?
We have way too many individual communities that come with in with their fiefdoms and local politicians who feel they have to have something special awarded to them to allow this to go through their towns. Just way too many layers of government in Allegheny County.