Otoyol
Devlet yolu
Il yolu


Route markers
Otoyol network in Turkey as of February 2022. Motorways in use, under construction and projected.
System information
Maintained by Karayolları Genel Müdürlüğü
Formed1950, 1968[1]
Highway names
Otoyols:Otoyol XX (O-XX)
System links

The highways in Turkey are divided into three types: motorways, state roads and provincial roads.

Types of roads

There are 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)[2]
  • Dual carriageways: 28.986 km (January 2023)[2]
  • State Highways 30.954 km (January 2023)[2]
  • Provincial Roads 34.113 km (January 2023)[2]
  • Motorway Projects‐Vision 8.325 km (in 2053)[3]

As of 2023, there are 471 tunnels (total length 665 km)[4] and 9.660 bridges (total length 739 km)[5] 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

West – east intermediate

North – south reference main

North – south intermediate

Provincial roads

Provincial roads (İl yolu) in Turkey are maintained by the KGM. These roads serve as secondary roads to the State Roads (D.XXX) and mainly connect small towns (every disctrict's capital town is accessible either by a state or a provincial road) or acting as alternate routes to the trunk roads.

A provincial road is governed under the responsibility of the respective Turkish provincial government, and bears the license plate number of that province in the road identification number's first half. (Example 35-04 List of provincial roads in Izmir Province)

See also

References

  1. ↑ Muhteşem Kaynak - Türkiye'de Otoyollar
  2. 1 2 3 4 "KGM 2023 Performance Report" (PDF). kgm.gov.tr (in Turkish). 2023-01-01. p. 29. Archived from the original (PDF) on 2023-02-06. Retrieved 2023-02-06.
  3. ↑ "Bakan Karaismailoğlu: Hedefimiz 2053'e kadar otoyol uzunluğumuzu 8 bin 325 kilometreye ulaştırmak" (in Turkish). aa.com.tr. 2022-12-06. Archived from the original on 2022-12-09. Retrieved 2023-02-06.
  4. ↑ "Tunnel projects". kgm.gov.tr. Archived from the original on 2023-02-06. Retrieved 2023-02-06.
  5. ↑ "Bridge Projects" (in Turkish). kgm.gov.tr. Archived from the original on 2023-02-06. Retrieved 2023-02-06.
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