All aboardThanks to rocketing fuel prices, public transportation is having a glory moment, but in Pittsburgh theyÔÇÖre hoping to change a short-term crisis into a long-term way of life, Alan T. Swaby discovers. The Port Authority of Allegheny County in Pittsburgh, in its capacity as provider of public transportation services, has gone a long way down the track of integration but has yet to add roller coasters to its list of transport options.