Otoyol 20

Otoyol 20 (English: Motorway 20), O-20, Ankara Çevre yolu (English: Ankara Beltway), is a motorway in Ankara, Turkey that forms the ring road of the city. The 110 km (68 mi) long beltway connects in the northwest to the Anatolia Motorway , and in the south to Ankara-Adana Motorway.

O-20
Ankara Beltway Ankara Çevre yolu
Route information
Part of E88 / E89 / E90
Length	110 km (68 mi)
Location
Country	Turkey
Regions	Central Anatolia
Provinces	Ankara Province
Major cities	Ankara
Highway system
Highways in Turkey Motorways List State Highways List
← O-7 → O-21

The beltway is a four lane motorway in both directions on its length.

The beltway is the only ring motorway in Turkey to form a complete ring.

Province	District	Exit No.	Name	Notes
Ankara	Yenimahalle	K1	O-4 / E80 – Bolu, İzmit, Istanbul
Ankara	Etimesgut	K2	1. TBMM Cd.
Ankara	Etimesgut	K3	D.140 – Ayaş
Ankara	Etimesgut	K4	Istasyon Cd.
Ankara	Etimesgut	K5	Ahi Mesud Blvd.
Ankara	Etimesgut	K6	D.200 / E90 – Eskişehir, Uşak, İzmir
Ankara	Gölbaşı	K7	Turgut Özal Blvd.
Ankara	Gölbaşı	K8	O-21 – Konya, Adana
Ankara	Gölbaşı	K9	D.750 / E90 – Konya, Adana
Ankara	Çankaya		Karataş Viaduct	600 m
Ankara	Çankaya	K10	Nato Yolu Cd.
Ankara	Mamak	K11	Mavi Göl Cd.
Ankara	Mamak		Bayındır Dam Bridge	400 m
Ankara	Mamak	K12	D.200 / E88 – Samsun
Ankara	Mamak		Samsun Road Bridge	400 m
Ankara	Mamak	K13	Yeşil Kuşak Cd.
Ankara	Altındağ		Çubuk 1 Dam Bridge	300 m
Ankara	Keçiören	K14	D.140 – Esenboğa International Airport
Ankara	Keçiören	K15	Bağlum Blvd.
Ankara	Keçiören	K16	Yozgat Blvd.
Ankara	Yenimahalle	K17	Anadolu Blvd.
Ankara	Yenimahalle	K18	Batıkent Yolu
Ankara	Yenimahalle	K19	D.750 – Bolu, Sakarya, Istanbul