 The first section of the T1 opened between Aksaray and Beyazıt on 13 June 1992 and was later extended first to Topkapı and Zeytinburnu, and later to Eminönü.On 29 June 2006, the Eminönü–Kabataş extension was opened, making the transfer to Kabataş–Taksim funicular possible.On 3 February 2011, the T1 merged with the T2 which opened in 2006 between Zeytinburnu and Bağcılar, with the T2's stations being converted to low-floor.