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List of otoyol routes in Turkey

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Otoyol

Route markers for three Turkish Motorways
Otoyol network in Turkey as of February 2022. Motorways in use, under construction and projected.
System information
Maintained by Karayolları Genel Müdürlüğü
Formed1968
Highway names
Otoyols:Otoyol XX (O-XX)
System links

Otoyol routes in Turkey follow a regional based two-digit numbering system. All routes have the prefix O on all signage and maps. Motorways that start in the Marmara Region are all single digit. Motorways that start in The Central Anatolia Region have a first digit of two. Motorways starting in the Aegean Region have a first digit of three. Motorways starting in the Mediterranean Region and Southeastern Anatolia Region have a first digit of five. The O-21A is the only motorway to have a letter assigned to it. Most motorways in Turkey have six lanes (3+3 lanes), however there are sections of some motorways with only four (2+2) lanes. The motorways extended to 27 of the country's 81 provincial-level administrative divisions.

As of December 2023, there are 3,726 km of toll motorways network (otoyollar) in service.[2]

List of Otoyol routes

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Number Length (km) Length (mi) Northern or western terminus Southern or eastern terminus Built Notes
O-1 20.5 12.7 in Eyüpsultan, Istanbul Bağdat Avenue in Kadıköy, Istanbul 1973 Istanbul Inner Beltway
O-2 36.9 22.9 O-3 in Mahmutbey, Istanbul in Kozyatağı, Istanbul 1988 Istanbul Outer Beltway
O-3 246.9 153.4 near Edirne in Eyüpsultan, Istanbul 1987
O-4 372 231.2 O-2/O1-O2 connector in Ataşehir, Istanbul O-20 near Sincan, Ankara 1984
O-5 409.4 254.4 O-4 near Gebze, Kocaeli O-30 in Bornova, İzmir 2016 till 2019 Section from Bursa North to Gebze including Osman Gazi Bridge opened in 2016.
O-6 101 62.8 near Malkara, Tekirdağ near Lapseki, Çanakkale 2022 Section from Malkara to Lapseki including 1915 Çanakkale Bridge, the longest suspension bridge in the world, opened in 2022.
O-7 275.2 171.1 O-3 near Kınalı, Istanbul O-4 near Akyazı, Sakarya 2016 till 2020 Yavuz Sultan Selim Bridge opened in 2016.
O-20 110 68.4 Road forms complete ring around Ankara Road forms complete ring around Ankara 1987 Ankara beltway
O-21 399.5 248.3 O-20 near Gölbaşı, Ankara near Tarsus, Mersin 1984 till 2020
O-21A 32 19.9 near Çakmak Bucağı, Konya O-21 near Eminlik, Niğde 1992
O-22 34.1 21.2 O-5 near Çağlayan, Bursa near Turanköy, Bursa 2006
O-30 60.4 37.5 O-33 in Menemen, İzmir O-32 in Balçova, İzmir 1993 till 2006 Izmir Beltway
O-31 127.8 79.4 O-30 in Buca, İzmir in Aydın 1996 till 2004
O-31 93 57.8 in Kuyucak, Aydın in Denizli 2023
O-32 77.7 48.3 in Çeşme, İzmir O-30 in Balçova, İzmir 1992 till 1996
O-33 76 47 Port of Çandarlı near Çandarlı, İzmir O-30 in Menemen, İzmir 2019
O-51 99.2 61.6 in Çeşmeli, Mersin O-52 in Adana 1992
O-52 365 226.8 O-51 in Adana near Şanlıurfa 1992
O-53 150 93.2 O-52 near Ceyhan in İskenderun 1993
O-54 35 21.7 in Gaziantep O-52 in Gaziantep 2013 Gaziantep Beltway

Projects

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Under Construction

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Number Length (km) Length (mi) Northern or western terminus Southern or eastern terminus Opens Notes
O-6 114 70.8 near Malkara, Tekirdağ O-3 near Kınalı, Istanbul Part of Kınalı-Balıkesir Motorway.
O-7 45 28 O-7 near Nakkaş, Istanbul O-7 near Başakşehir, Istanbul 2025
O-31 72 44.7 O-31in Aydın in Kuyucak, Aydın 2024
O-51 41 25.8 in Kızkalesi, Mersin O-51 near Çeşmeli, Mersin 2025
O-51 155 96.3 in Antalya in Alanya Part of Afyon–Antalya–Alanya Motorway. Afyonkarahisar-Burdur-Antalya section still in planning phase.
O-53 78 48.5 O-53 near İskenderun, Hatay near Cilvegözü, Reyhanlı, Hatay İskenderun-Cilvegözü Motorway (border crossing)
31.3 19.5 O-53 near Dörtyol, Hatay near Hassa, Hatay Dörtyol-Hassa Motorway
119 73.9 O-20 in Mamak, Ankara in Delice, Kırıkkale Part of Ankara-Samsun Motorway. Delice-Samsun section still in planning phase.

Tender Phase

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Number Length (km) Length (mi) Northern or western terminus Southern or eastern terminus Tender Date Notes
130 80.8 O-22 in Sivrihisar, Eskişehir O-20 in Tulumtaş, Ankara Part of Izmir–Ankara Motorway. İzmir-Sivrihisar section still in planning phase.
O-52 454 282.1 O-52 near Şanlıurfa near Habur, Silopi, Şırnak Şanlıurfa-Mardin-Habur Motorway (including link to Diyarbakır) (border crossing)

Planning Phase

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Number Length (km) Length (mi) Northern or western terminus Southern or eastern terminus Tender Date Notes
O-51 30 18.1 in Taşucu in Kızkalesi N/A
12 7.46 O-30 near Sasalı, İzmir O-30 near İnciraltı, İzmir N/A İZKARAY [tr] - Gulf of İzmir Passage Project between Çiğli (Sasalı) and Balçova (İnciraltı); including one undersea tunnel and one bridge
41 25.5 O-33 near Menemen, İzmir O-30 near Buca, İzmir N/A İzmir 2. peripheral motorway
O-31 155 96.3 O-31 in Denizli near Bucak, Burdur N/A Denizli-Burdur section of Aydın-Denizli-Burdur Motorway
O-6 137 85.1 near Lapseki, Çanakkale O-5 near Balıkesir N/A Lapseki-Balıkesir section of Kınalı-Balıkesir Motorway
350 217.5 } near Afyonkarahisar near Antalya N/A Afyonkarahisar-Burdur-Antalya Motorway [tr]
408 253.5 O-5 near Turgutlu, Manisa O-22 near Sivrihisar N/A Sivrihisar-İzmir section of Ankara-İzmir Motorway
O-22 231 143.5 O-5 near Kestel, Bursa O-22 near Sivrihisar, Eskişehir N/A Sivrihisar-Bursa Motorway
303 188.3 near Samsun near Delice, Kırıkkale N/A Delice-Samsun section of Ankara-Samsun Motorway
144 89.5 near Bafra, Samsun near Ünye, Ordu N/A Bafra-Samsun-Ünye Motorway
137 85.2 O-4 in Gerede, Bolu in Ilgaz, Çankırı N/A Part of Gerede-Gürbulak Motorway [tr]. Ilgaz-Merzifon-Koyulhisar-Pülümür-Horasan-Gürbulak sections still in planning phase.
183 113.7 near Ilgaz, Çankırı near Merzifon, Amasya N/A Ilgaz-Merzifon Motorway [tr]
919 571 near Merzifon, Amasya near Gürbulak, Doğubayazıt, Ağrı N/A Merzifon-Gürbulak Motorway [tr] (border crossing)
91 56.6 O-5 near Yalova O-4 near İzmit, Kocaeli N/A Yalova-İzmit Motorway [tr]
440 273.4 near Afyonkarahisar near Ulukışla, Niğde N/A Afyonkarahisar-Konya-Ereğli-Niğde (Ulukışla) Motorway
105 65.3 near Bozüyük, Bilecik near Afyonkarahisar N/A Bozüyük-Afyonkarahisar Motorway
O-51 200 124.3 near Alanya, Antalya near Silifke, Mersin N/A Alanya-Silifke Motorway
105 65.3 O-4 near Düzce near Zonguldak N/A Düzce-Zonguldak Motorway
500 310.7 near Delice, Kırıkkale near Refahiye, Erzincan N/A Delice-Sivas-Refahiye Motorway
600 372.8 O-21 near Nevşehir near Diyarbakır N/A Nevşehir-Kayseri-Malatya-Diyarbakır Motorway
220 136.7 near Sivas near Malatya N/A Sivas-Malatya Motorway
50 31.1 O-52 near Şanlıurfa near Akçakale, Şanlıurfa N/A Şanlıurfa-Akçakale Motorway (border crossing)
475 295.2 near Diyarbakır near Gürbulak, Doğubayazıt, Ağrı N/A Diyarbakır-Gürbulak Motorway (border crossing)
540 335.6 near Trabzon near Kahramanmaraş N/A Trabzon-Refahiye-Malatya-Kahramanmaraş Motorway
250 155.4 near Pasinler, Erzurum near Türkgözü, Posof, Ardahan N/A Pasinler-Türkgözü Motorway (border crossing)
460 285.8 near Rize near Diyarbakır N/A Rize-Erzurum-Diyarbakır Motorway
O-33 80 49.7 O-33 near Çandarlı, Dikili, İzmir O-5 near Savaştepe, Balıkesir N/A Çandarlı-Bergama-Savaştepe Motorway
90 55.9 O-31 near Aydın near Muğla N/A Aydın-Muğla Motorway
75 46.6 near İpsala, Edirne near Malkara, Tekirdağ N/A Malkara-İpsala Motorway (border crossing)
130 80.8 O-3 near Havsa, Edirne near Kavakköy, Gelibolu, Çanakkale N/A Havsa-Gelibolu Motorway
180 111.9 near Lapseki, Çanakkale O-5 near Karacabey, Bursa N/A Lapseki-Karacabey Motorway

See also

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References

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  1. ^ Length of Motorways
  2. ^ "YILLAR İTİBARIYLA YAPIMI TAMAMLANMIŞ OTOYOLLAR [Motorway completed by years] (2023)" (PDF). kgm.gov.tr. Karayolları Genel Müdürlüğü (KGM). Retrieved 2024-01-05.
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