List of otoyol routes in Turkey

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. By the end of 2019, the total length of Turkey's motorways network reached 3,060 kilometers.[1]

Motorway network in Turkey. Highways in use, under construction and projected.

List of Otoyol routes
Number Length (km)Length (mi)Northern or western terminusSouthern or eastern terminusBuiltNotes
O-1 20.5 12.7 O-3/ D.100 in Eyüp, Istanbul Bağdat Ave. in Kadıköy, Istanbul 1973 Istanbul Inner Beltway
O-2 36.9 22.9 O-3 in Mahmutbey, Istanbul D.100 in Kozyatağı, Istanbul 1988 Istanbul Outer Beltway
O-3 246.9 153.4 D.100 near Edirne O-1/ D.100 in Eyüp, 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, Izmir 2016 till 2019 Section from Bursa North to Gebze including Osman Gazi Bridge opened in 2016.
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 D.400 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 Çağlıyan, Bursa near Turanköy, Bursa 2006
O-30 60.4 37.5 O-32 in Balçova, Izmir in Menemen, Izmir 1993 till 2006 Izmir Beltway
O-31 127.8 79.4 O-30 in Buca, Izmir in Aydın 1996 till 2004
O-32 77.7 48.3 1065 Sk. in Çeşme Mustafa Kemal Sahil Blv. in Balçova, Izmir 1992 till 1996
O-33 76 47 Port of Çandarlı near Çandarlı O-30 in Çiğli, İzmir 2019
O-51 99.2 61.6 D.400 in Çeşmeli, Mersin O-52 in Adana 1992
O-52 365 226.8 O-51 in Adana D.400 near Şanlıurfa 1992
O-53 150 93.2 O-52 near Ceyhan in İskenderun 1993
O-54 35 21.7 D.400 in Gaziantep O-52 in Gaziantep 2013 Gaziantep Beltway

Projects

Under Construction
Number Length (km)Length (mi)Northern or western terminusSouthern or eastern terminusOpensNotes
101 62.8 near Malkara, Tekirdağ D.200 near Lapseki, Çanakkale 2022 Part of Kınalı-Balıkesir Motorway. Two other sections between Malkara and Kınalı, as well as Lapseki and Balıkesir are still in planning phase.
O-31 165 102.5 O-31in Aydın in Pınarkent, Denizli 2023

Tender Phase
Number Length (km)Length (mi)Northern or western terminusSouthern or eastern terminusTender DateNotes
O-51 98 60.9 in Taşucu O-51 near Çeşmeli, Mersin N/A
119 73.9 O-20 in Mamak, Ankara in Delice N/A Part of Ankara-Samsun Motorway. Delice-Samsun section still in planning phase.
130 80.8 O-22 in Sivrihisar O-20 in Tulumtaş, Ankara N/A Part of Izmir–Ankara Motorway. İzmir-Sivrihisar section still in planning phase.
137 85.2 O-4 in Gerede in Ilgaz N/A Part of Gerede-Gürbulak Motorway. Ilgaz-Merzifon-Koyulhisar-Pülümür-Horasan-Gürbulak sections still in planning phase.
155 96.3 in Antalya in Alanya N/A Part of Afyon-Antalya-Alanya Motorway. Afyonkarahisar-Burdur-Antalya section still in planning phase.

Planning Phase

2023 Targets[2]

2035 Targets

  • Afyonkarahisar-Konya-Ereğli-Niğde (Ulukışla) Motorway (440 km)
  • Bozüyük-Afyonkarahisar Motorway (105 km)
  • Alanya-Silifke Motorway (200 km)
  • Düzce-Zonguldak Motorway (105 km)
  • Delice-Sivas-Refahiye Motorway (500 km)
  • Nevşehir-Kayseri-Malatya-Diyarbakır Motorway (600 km)
  • Sivas-Malatya Motorway (220 km)
  • Şanlıurfa-Akçakale Motorway (50 km)
  • Diyarbakır-Gürbulak Motorway (475 km)
  • Trabzon-Refahiye-Malatya-Kahramanmaraş Motorway (540 km)
  • Pasinler-Türközü Motorway (250 km)
  • Rize-Erzurum-Diyarbakır Motorway (460 km)
  • İskenderun-Cilvegözü Motorway (Otoyol 53) (78 km)
  • Malkara-İpsala Motorway (Greek border) (50 km)
  • Malkara-Havsa Motorway (110 km)
  • Bandırma-Susurluk Motorway (56 km)
  • Bandırma-Lapseki Motorway (130 km)
  • Çandarlı-Bergama-Savaştepe Motorway (Otoyol 33) (80 km)
  • Aydın-Muğla Motorway (90 km)

See also

References
  1. "YILLAR İTİBARIYLA YAPIMI TAMAMLANMIŞ OTOYOLLAR (2019)" (PDF). Kgm.gov.tr (in Turkish).
  2. "Otoyol Projeleri" (in Turkish). KGM. Retrieved 10 January 2016.
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