Otoyol 51

Otoyol 51 (English: Motorway 51), abbreviated as O-51, aka Adana-Erdemli Otoyolu (English: Adana-Erdemli Motorway), is a toll motorway in the Mediterranean Region of Turkey, connecting the cities Adana and Mersin. The motorway is on its full length of 99 km (62 mi) part of international routes as of European route E90 and Asian Highway 84.

Map of O-51, Turkey

The motorway starts from the western terminus of Adana-Şanlıurfa Motorway O-52, 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 Silifke.