The Arlanda Line is a 19-kilometre (12 mi) long railway line which allows trains on the East Coast Line to reach Stockholm Arlanda Airport in Sigtuna Municipality, Sweden. The Arlanda Line branches from the East Coast Line at Rosersberg and rejoins again at Myrbacken. It is built for speeds of 200 kilometres per hour (120 mph), is electrified at 15 kV 16.7 Hz AC and is double track. The 5-kilometre (3.1 mi) section under the airport runs in a tunnel, and has three stations: Arlanda South, Arlanda Central and Arlanda North.
An Arlanda Express X3 train
Entrance to Arlanda Central Station from the airport
X3 on the East Coast Line
Arlanda South Station is a railway station on the Arlanda Line serving Stockholm-Arlanda Airport in Sweden. The station is one of two stations at the airport to be served by the Arlanda Express, the other being Arlanda North Station. The station is located inside a tunnel below the airport and is served by four or five trains per hour. The station serves Terminal 2, 3 and 4 of the airport. The station is 38.5 kilometres (23.9 mi) from Stockholm Central Station.
Arlanda Express X3 train at the station