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Otoyol 21

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

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

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ProvinceDistrictkmmiExitDestinationsNotes
AnkaraGölbaşı0.00.0K8 O-20 (Ankara beltway) — Ankara
14.48.9K1 D.260Haymana, Ankara
16.910.5Gölbaşı Toll Plaza
29.518.3K2 D.750Ahıboz
76.147.3K3 D.753Kulu
Şereflikoçhisar101.563.1K4 D.757Acıkuyu
AksaraySarıyahşi139.586.7K5 P.68-83Sarıyahşi
Ağaçören157.597.9K6Kırşehir connector — Kırşehir
Ortaköy178.3110.8K7 D.757Kırşehir, Ortaköy
Aksaray213.6132.7K8 D.300Aksaray, Nevşehir
NevşehirDerinkuyu241.6150.1K9 P.68-83Sarıyahşi
NiğdeNiğde275171K10P.51-78Gölcük
K11 D.765Nevşehir
K11 D.805Kayseri
K12 D.805Niğde / Aydın Ave.
BorK13P.51-51Kemerhisar
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

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References

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