General Directorate of Highways (Turkey)

General Directorate Of Highways

Karayolları Genel Müdürlüğü
KGM Building
Agency overview
Formed	March 1, 1950; 74 years ago (1950-03-01)
Jurisdiction	Ministry of Transport and Infrastructure
Headquarters	Ankara, Turkey 39°55′01″N 32°50′29″E / 39.91690°N 32.84137°E / 39.91690; 32.84137
Employees	27.175 (2021)
Annual budget	21 Billion ₺
Agency executive	Ahmet Gülşen, Director-General
Website	www.kgm.gov.tr/Sayfalar/KGM/SiteEng/Root/MainPageEnglish.aspx

The General Directorate Of Highways (Turkish: Karayolları Genel Müdürlüğü) (KGM) is a state agency responsible for the construction and maintenance of all public roadways outside of cities and towns in Turkey. It was established on 1 March 1950, following the enactment of the International Highways Act in 1949. The agency operates as a subsidiary of the Ministry of Transport and Infrastructure. ^[1]

With its 18 regional divisions across the country, the agency maintains a road network totaling 68,633 km, comprising 3,523 km (2,189 mi) of motorways (Turkish: Otoyol, prefixed by "O"), 30,974 km (19,246 mi) of state highways (Turkish: Devlet yolu, prefixed by "D"), and 34,136 km (21,211 mi) of provincial roads (Turkish: İl yolu, prefixed by the two-digit province code).^[2] This network includes related infrastructure such as bridges, viaducts, and tunnels.^[3]

The General Directorate of Highways (GDH) manages the toll plazas on toll roads and toll bridges, utilizing automated toll collection systems, including transponder-based OGS and RFID-based HGS.^[4]