Ayran Tunnel
The Ayran Tunnel (), 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 -long twin-tube tunnel carrying three lanes of traffic in each direction is flanked by -long Taşoluk Tunnel in the west and -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).