Otoyol 51 (), abbreviated as O-51, Adana-Erdemli Otoyolu (), is a toll motorway in the Mediterranean Region of Turkey, connecting the cities Adana and Mersin. The motorway is on its full length of part of international routes as of European routes E90 and E982 and Asian Highway 84.

The motorway starts from the western terminus of O-52 in Central Adana, runs westward reaching the south terminus of Pozantı-Adana Motorway O-21 northeast of Tarsus, continues southwest to Mersin bypassing it at north and terminates in Erdemli.

There are plans to extend the motorway to Taşucu.

Exit list

Province District km mi Exit Destination Notes Adana Yüreğir 0.0 0.0 K1 Dr. Mithat Özsan Blv. Continues as to Şanlıurfa Seyhan River 0.0 0.0 Seyhan Viaduct Seyhan/Çukurova K2 Özdemir Sabancı Blvd. — Beyazevler K3 Mavi Blv. Eastbound entrance and exit K3 Kasım Yener Blvd. Westbound entrance and exit - Dr. Ahmet Sadık Blvd. Westbound exit K4 Öğretmenler Blvd. K5 — Karaisali Mersin Tarsus K19 — Ulukışla, Niğde K6 — Aksaray, Ankara Berdan Viaduct K7 Tarsus connector — Tarsus Connector to Akdeniz K8 151st St. — Mersin Connector to Toroslar K9 — Mersin, Gözne Yenişehir K10 Pamuklu Ave. — Mersin Arena Mezitli K11 Vatan Ave. — Kuyuluk Erdemli K12 — Anamur, Antalya Light blue indicates toll section of motorway.

See also List of highways in Turkey

References

Turkish General Directorate of Highways. Turkey road map List of exits on O-51