Explore Center City's extensive transit system and its three main stations. Start at 30th Street Station and proceed via modern trolley (tokens provided) to Suburban Station. See downtown's underground concourse system and The Gallery before ending at Market East Station. Along the way, become acquainted with the Market Street subway line, the Subway-Surface lines, the Broad Street subway line, the Commuter Rail Tunnel and its regional rail lines, and the former Reading Terminal, now the main entrance to the Pennsylvania Convention Center. (The tour includes climbing stairs.)