Otoyol 21

Otoyol 21 (English: Motorway 21), abbreviated as O-21, aka Ankara-Tarsus Otoyolu or currently Kemerhisar-Tarsus Otoyolu (English: Ankara-Tarsus Motorway or Kemerhisar-Tarsus Motorway) or , is a partly complete toll motorway in the Central Anatolia and Mediterranean regions in Turkey. Currently, it is connecting Kemerhisar in Niğde Province with the Adana-Erdemli Motorway O-51 at Tarsus in Mersin Province. On its full length, it is part of the European E90.

Province	km		Exit No.	Destinations	Notes
Niğde	0	0	K13	Kemerhisar 1	D.805
	15.0	15.0	K14	Eminlik 1
				Service area Eminlik
Niğde Adana				Kırkgeçit Tunnel
Adana				Çakıt Tunnel
	33.0	48.0	K16	Pozantı	D.750
	6.5	54.5	K5	Toll plaza Pozantı	D.750
	14.0	68.5	K4	Tekir	D.750
Mersin				Aç-kapa Tunnel 800 m (2,600 ft)
	15.0	83.5	K3	Çamalan	D.750
				Parking area
				Service area Şıraköy
	34.0	117.5	K2	Tarsus East 1	O-51
				Toll plaza Yenice
	7.0	124.5	K1	Tarsus East 2	D.400

See also

• List of highways in Turkey

External links

• Exit list of O-21
• Mersin road map

v · d · e Motorways in Turkey Marmara Region O-1 · O-2 · O-3 · O-4 · O-33 Black Sea Region O-4 Central Anatolia Region O-4 · O-20 · O-21 Aegean Region O-30 · O-31 · O-32 · O-33 · O-57 Mediterranean Region O-21 · O-50 · O-51 · O-52 · O-53 Southeastern Anatolia Region O-52 · O-54