Yıl Selatin Tüneli), is a road tunnel constructed on the motorway O-31 / E87 at the province border of Izmir and Aydın, western Turkey.

[1] Starting on 1 April 1990, its construction was carried out by the joint venture Kutlutaş and Dillingham in New Austrian Tunnelling method (NATM).

[3] The tunnel was initially named after its location in Selatin village of Germencik district.

[1] As of 2012, it ranks on the second place after the 3.8 km (2.4 mi) long Ordu Nefise Akçelik Tunnel opened in 2007.

[1][2] The tunnel is equipped with a modern electronic road traffic safety and control system as the first ever in Turkey.