Otoyol 21

O-21
Ankara-Tarsus Motorway
Ankara-Tarsus Otoyolu
Route information
Part of E90
Length432 km (268 mi)
Major junctions
FromGölbaşı, Ankara
ToTarsus, Mersin
Location
CountryTurkey
RegionsCentral Anatolia, Mediterranean
ProvincesAnkara, Konya, Aksaray, Nevşehir, Niğde, Adana, Mersin
Major citiesNiğde, Tarsus
Highway system
O-20 O-21A

Otoyol 21 (English: Motorway 21), abbreviated as O-21, a.k.a. Ankara-Tarsus Otoyolu (English: Ankara-Tarsus Motorway), is a completed toll motorway in the Central Anatolia and Mediterranean regions in Turkey. Currently, it connects Otoyol 20 from Gölbaşı, Ankara with the Adana-Mersin Motorway O-51 at Tarsus in Mersin Province. On its full length, it is part of the European E90. The last part of the highway opened on 16 December 2020.[1] With a length of 432 kilometres, the O-21 is the longest motorway in Turkey.

Exit list

ProvinceDistrictkmmiExitDestinationsNotes
AnkaraGölbaşı0.00.0K8 O-20 (Ankara beltway) — Ankara
14.48.9K1 D.260Haymana, Ankara
16.910.5Gölbaşı Toll Plaza
29.518.3K2 D.750 — Ahıboz
76.147.3K3 D.753 — Kulu
Şereflikoçhisar101.563.1K4 D.757 — Acıkuyu
AksaraySarıyahşi139.586.7K5 P.68-83 — Sarıyahşi
Ağaçören157.597.9K6Kırşehir connector — Kırşehir
Ortaköy178.3110.8K7 D.757 — Kırşehir, Ortaköy
Aksaray213.6132.7K8 D.300Aksaray, Nevşehir
NevşehirDerinkuyu241.6150.1K9 P.68-83 — Sarıyahşi
NiğdeNiğde275171K10P.51-78 — Gölcük
K11 D.765 — Nevşehir
K11 D.805 — Kayseri
K12 D.805 — Niğde / Aydın Ave.
BorK13P.51-51 — Kemerhisar
UlukışlaK14 O-21AKonya
Kırkgeçit Tunnels
Çakıt Tunnel
AdanaPozantıK15 D.750PozantıPozantı north
K16 D.750PozantıNorthbound exit, southbound entrance only.
K17 D.750Akçatekir
MersinTarsusK18 D.750Çamalan
K19 O-51Mersin, Adana
Tarsus Toll Plaza
K20 D.400Mersin, Adana
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

References

  1. ^ "Ankara-Niğde Otoyolu'nun tamamı hizmete girdi" (in Turkish). Archived from the original on 16 December 2020. Retrieved 16 December 2020.