At the exit from the airport, you will see a large signpost. It depicts a bus in a red circle and the letter u in a blue square. The letter U in the blue square is the metro symbol. You can buy a ticket in the ticket machine by selecting the desired language. The ticket machine is located to the right of the exit. If you are going to walk around the old city, you need to choose a one-time ticket. If you intend to travel around Nuremberg, select the daily ticket or a multiple day ticket. To go down to the platform, insert a ticket into the machine located near the escalator. Your ticket will be stamped with the date and time. Keep your ticket until the end of the ride. The metro line goes around the old city. A major stop south of the city walls is called Hauptbahnhof. At this station, there is a passage to the railway station and an underground passage to the old city.