Book the cheapest bus tickets online from Library - America / New York to any location with Greyhound, Megabus, Trailways, FlixBus, RegioJet, Peter Pan and many other bus providers. You can buy bus tickets to Library in Allegheny county online right now. Our affordable rates & very quick bus quotes ensure a great trip to Pennsylvania PA. Find the closest bus stop near you and enjoy public transportation in this city.