Highways in Turkey are a network in development.

Contents 1 State Roads 1.1 West - East Reference 1.2 North - South Reference 2 Motorways 2.1 O 1 – O 9 2.2 O 20 – O 29 2.3 O 30 – O 39 2.4 O 50 – O 59 3 See also

State Roads

The numeration of State roads as indicated below;

• D - 0XX, D - 1XX, D - 2XX, D - 3XX, D - 4XX: West-East roads. (numerated north to south)
• D - 5XX, D - 6XX, D - 7XX, D - 8XX, D - 9XX: North-South roads. (numerated west to east)

West - East Reference

• D - 100: Edirne - Lüleburgaz - İstanbul - Gebze - Kocaeli - Adapazarı - Düzce - Bolu - Gerede - Ilgaz - Merzifon - Amasya - Niksar - Erzincan - Erzurum - Ağrı - Doğubeyazıt - Gürbulak
• D - 200: Çanakkale - Bandırma - Bursa - Eskişehir - Sivrihisar - Ankara - Kırıkkale - Yozgat - Sivas - Erzincan
• D - 300: Çeşme - İzmir - Salihli - Uşak - Afyon - Akşehir - Konya - Aksaray - Nevşehir - Kayseri - Pınarbaşı - Gürün - Malatya - Elazığ - Bingöl - Muş - Bitlis - Van
• D - 400: Datça - Fethiye - Antalya - Alanya - Anamur - Mersin - Adana - Gaziantep - Şanlıurfa - Şırnak - Hakkari

North - South Reference

• D - 550: Edirne - Çanakkale - Edremit - İzmir - Aydın - Muğla
• D - 650: Karasu - Sakarya - Bilecik - Kütahya - Afyon - Sandıklı - Burdur - Antalya
• D - 750: Zonguldak - Gerede - Ankara - Aksaray - Pozantı - Tarsus
• D - 850: Ünye - Tokat - Sivas - Malatya - Gaziantep - Kilis
• D - 950: Hopa - Artvin - Erzurum - Bingöl - Diyarbakır - Mardin

Motorways

The numeration of Turkish motorways (Otoyol) is regional. They start with O (for otoyol), and a number for the region, as indicated below.

• O1 - O9 : Marmara
• O20 - O29 : central Anatolia
• O30 - O39 : Aegean Sea
• O50 - O59 : Mediterranean, Southeastern Anatolia Region

O 1 – O 9

• O-1: İstanbul Çevreyolu: Inner periphery of İstanbul
• O-2: İstanbul Çevreyolu: Outer periphery of İstanbul
• O-3: Edirne - İstanbul
• O-4: İstanbul - Ankara

O 20 – O 29

• O-20: Ankara Çevreyolu: Periphery of Ankara
• O-21: Adana - Ankara: Under construction

O 30 – O 39

• O-30: İzmir Çevreyolu: Periphery of İzmir
• O-31: İzmir - Aydın
• O-32: İzmir - Çeşme
• O-33: Bursa Çevreyolu: Periphery of Bursa

O 50 – O 59

• O-50: Periphery of Adana
• O-51: Mersin - Osmaniye
• O-52: Adana - Gaziantep
• O-53: Osmaniye - İskenderun
• O-54: Gaziantep Çevreyolu: Periphery of Gaziantep

See also

• International E-road network
• Asian Highway Network
• General Directorate of Highways