Ayran Tunnel (motorway)

The Ayran Tunnel (Ayran Tüneli), is a motorway tunnel constructed on the Adana–Şanlıurfa motorway   in Osmaniye Province, southern Turkey.

It is situated on the Taurus Mountains near Arıcaklı village of Bahçe, Osmaniye. The 560 and 596 m-long twin-tube tunnel carrying three lanes of traffic in each direction is flanked by 376 - 376 m-long Taşoluk Tunnel in the west and 2851 - 2819 m-long Kızlaç Tunnel in the east on the same motorway. Dangerous goods carriers are not permitted to use the tunnel.

The tunnel was constructed by Tekfen in New Austrian Tunnelling method (NATM).