Yes. Expanding the West Busway to the airport and directly to downtown (as was originally planned) is the way. It does everything a T expansion would do, but better, more connected, and for a fraction of the cost.

My dream transit future is a West Busway with two branches to the airport and to Bridgeville, and that terminates directly downtown, and an East Busway with two branches to Monroeville and McKeesport. One seat travel from Monroeville to the airport.