The three types of intercity roads in Turkey • Motorways are controlled-access highways that are officially named Otoyol. But it isn't uncommon that people in Turkey call them Otoban (referring to Autobahn) as this types of roads entered popular culture by the means of Turks in Germany. They also depend on the General Directorate of Highways except those that are financed with a BOT model. • State roads (Devlet Yolları) are historical and free road network called State roads that are completely under the responsibility of the General Directorate of Highways except for urban sections (like the sections falling within the inner part of ring roads of Ankara, Istanbul or İzmir). Even if they mostly possess dual carriageways and interchanges, they also have some traffic lights and intersections. • Provincial roads (Il Yolları) are highways of secondary importance linking districts within a province to each other, the provincial center, the districts in the neighboring provinces, the state roads, railway stations, seaports, and airports. Motorways: Motorway 3.633 km (January 2023) Dual carriageways: 28.986 km (January 2023) State Highways 30.954 km (January 2023) Provincial Roads 34.113 km (January 2023) Motorway Projects‐Vision 8.325 km (in 2053) As of 2023, there are 471 tunnels (total length 665 km) and 9.660 bridges (total length 739 km) on the network. Motorways State roads The numbering of state roads is as indicated below: D0XX, D1XX, D2XX, D3XX, D4XX: West–east roads (numbered west to east ) D5XX, D6XX, D7XX, D8XX, D9XX: North–south roads (numbered north to south) West – east reference main Karasu – Akçakoca – Karadeniz Ereğli-Zonguldak – Çaycuma – Bartın – Cide – İnebolu – Ayancık – Sinop – Gerze-Bafra-Samsun – Çarşamba – Ünye – Fatsa – Ordu – Bulancak – Giresun – Tirebolu – Trabzon – Sürmene – Rize – Ardeşen – Hopa – Borçka – Şavşat – Ardahan-Çıldır – Arpaçay – Akçakale village of Susuz Edirne – Lüleburgaz – İstanbul – Gebze – İzmit – Adapazarı – Düzce – Bolu – Gerede – Ilgaz – Merzifon – Amasya – Niksar – Erzincan – Erzurum – Ağrı – Doğubeyazıt – Gürbulak (Iran border) Çanakkale – Bandırma – Bursa – Eskişehir – Sivrihisar – Ankara – Kırıkkale – Yozgat -Sivas – Erzincan Çeşme -İzmir – Salihli – Uşak – Afyon – Akşehir – Konya – Aksaray – Nevşehir – Kayseri – Pınarbaşı – Gürün – Malatya – Elazığ – Bingöl – Muş – Bitlis – Van