Otoyol 21
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| Ankara-Tarsus Motorway Ankara-Tarsus Otoyolu | ||||
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| Route information | ||||
Part of  E90 | ||||
| Length | 432 km (268 mi) | |||
| Major junctions | ||||
| From | Gölbaşı, Ankara Province | |||
| To | Tarsus, Mersin Province | |||
| Location | ||||
| Country | Turkey | |||
| Regions | Central Anatolia, Mediterranean | |||
| Provinces | Ankara, Konya, Aksaray, Nevşehir, Niğde, Adana, Mersin | |||
| Major cities | Niğde, Tarsus | |||
| Highway system | ||||
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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
[edit]| Province | District | km | mi | Exit | Destinations | Notes |
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| Ankara | Gölbaşı | 0.0 | 0.0 | K8 |  O-20 (Ankara beltway) — Ankara | |
| 14.4 | 8.9 | K1 |  D.260 — Haymana, Ankara | |||
| 16.9 | 10.5 | Gölbaşı Toll Plaza | ||||
| 29.5 | 18.3 | K2 |  D.750 — Ahıboz | |||
| 76.1 | 47.3 | K3 |  D.753 — Kulu | |||
| Şereflikoçhisar | 101.5 | 63.1 | K4 |  D.757 — Acıkuyu | ||
| Aksaray | Sarıyahşi | 139.5 | 86.7 | K5 |  P.68-83 — Sarıyahşi | |
| Ağaçören | 157.5 | 97.9 | K6 | Kırşehir connector — Kırşehir | ||
| Ortaköy | 178.3 | 110.8 | K7 | D.757 — Kırşehir, Ortaköy | ||
| Aksaray | 213.6 | 132.7 | K8 |  D.300 — Aksaray, Nevşehir | ||
| Nevşehir | Derinkuyu | 241.6 | 150.1 | K9 | P.68-83 — Sarıyahşi | |
| Niğde | Niğde | 275 | 171 | K10 | P.51-78 — Gölcük | |
| K11 |  D.765 — Nevşehir | |||||
| K11 |  D.805 — Kayseri | |||||
| K12 | D.805 — Niğde / Aydın Ave. | |||||
| Bor | K13 | P.51-51 — Kemerhisar | ||||
| Ulukışla | K14 |  O-21A — Konya | ||||
| Kırkgeçit Tunnels | ||||||
| Çakıt Tunnel | ||||||
| Adana | Pozantı | K15 | D.750 — Pozantı | Pozantı north | ||
| K16 | D.750 — Pozantı | Northbound exit, southbound entrance only. | ||||
| K17 | D.750 — Akçatekir | |||||
| Mersin | Tarsus | K18 | D.750 — Çamalan | |||
| K19 |  O-51 — Mersin, Adana | |||||
| Tarsus Toll Plaza | ||||||
| K20 |  D.400 — Mersin, Adana | |||||
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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See also
[edit]References
[edit]- ^ "Ankara-Niğde Otoyolu'nun tamamı hizmete girdi" (in Turkish). Retrieved 16 December 2020.
External links
[edit]
Wikimedia Commons has media related to Otoyol 21.
- Exit list of O-21
- Mersin road map Archived 2011-07-25 at the Wayback Machine
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| Former | ||
| Planned | ||
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