Tramlink (formerly known as Croydon Tramlink) is a tram network in the south of London operated by Transport for London. The network is 28 kilometers long, opened in May 2000, located mainly in the district of Croydon and offers numerous connections to train and underground lines. Lines 2, 3 and 4 are the main lines. Lines 2 and 4 run every 10 minutes during the day, every 15 minutes in the evening and on Sundays, line 3 every 7/8 minutes. Line 1 replaces line 4 early in the morning and late in the evening and runs every 15 minutes during its operating hours. Lines 1 and 3 run from / to the depot on Therapia Lane. Since February 2018, the line numbers of the Tramlink are no longer displayed on vehicles or used in the official timetable information.