The F4, officially referred to as the F4 Boğaziçi Üni./Hisarüstü–Aşiyan funicular line (Turkish: F4 Boğaziçi Üni./Hisarüstü–Aşiyan füniküler hattı) is a 800 m (2,600 ft) long funicular railway in Beşiktaş, Istanbul.

[1][2] When opened on 28 October 2022, it became the fourth funicular line in Istanbul as well as the longest, surpassing the F3 line by 100 m (330 ft).

[2] The F4 line will traverse a height difference of about 116.1 m (381 ft) and total travel time is estimated at 2 minutes and 30 seconds.

[1] The line begins at Boğaziçi Üniversitesi station and heads east to Aşiyan along the Bosporus.

This article about a Turkish railway station is a stub.