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O-2
The Second Beltway 2. Çevreyolu
Route information
Part of E80
Part of AH1 and AH5
Length
38 km (24 mi)
Restrictions
No through trucks or buses allowed on the Fatih Sultan Mehmet Bridge
Major junctions
West end
O-3 in Mahmutbey, Istanbul
East end
D.100 in Kozyatağı, Istanbul
Location
Country
Turkey
Regions
Marmara
Provinces
Istanbul Province
Major cities
Istanbul
Highway system
Highways in Turkey
Motorways
List
State Highways
List
← O-1
→ O-3
Otoyol 2 (English: Motorway 2), abbreviated as O-2, locally referred to as 2. Çevreyolu[1] (English: The Second Ring Road), is a motorway in Istanbul, Turkey that forms the outer ring road of the city connecting European and Asian parts via the Fatih Sultan Mehmet Bridge.
It starts in Mahmutbey East on the European part, where the Avrupa Otoyolu (English: Europe Motorway) O-3 links, runs through the northern outskirts of the city passing over the Bosporus Strait, and terminates at the western end of the Anadolu Otoyolu (English: Anatolia Motorway) O-4, before the toll plaza is situated. Otoyol 2 is toll-free, however the Fatih Sultan Bridge is a toll bridge in the eastward direction only, having its toll plaza at the European side. O-2 is connected via three feeder highways to İstanbul 1. Çevreyolu (First Beltway) O-1 and one highway to Avrupa Otoyolu (Europe Motorway). As the connecting highway of the motorways O-3 and O-4, it is part of the international routes European E80 and Asian AH1.
Otoyol 2
This article contains a bulleted list or table of intersections which should be presented in a properly formatted junction table. Please consult this guideline for information on how to create one. Please improve this article if you can.(November 2021)
District
Km
Mi
Exit No.
Destinations
Notes
Bağcilar
0.0
0.0
K19
O-3 E80-Fatih, Edirne
Bağcilar
2.2
1.4
K1
Fetih Cd.
No west bound entrance
Esenler
3.8
2.4
K2
Metris/Esenler Connector- O-3
Esenler
4.2
2.6
K3
Eski Edirne Asf.-Arnavutköy
Gaziosmanpaşa/Sultangazi
7.3
4.5
K4
Hekimsuyu Cd.
Eyüpsultan
8.7
5.4
K5
O-2/O7 Connector-
Eyüpsultan
11.5
7.1
K6
-Hasdal,Kemerburgaz
Eyüpsultan/Kağıthane
12.6
7.8
K7
Hasdal/Okmeydaı Connector- O-1
Sarıyer
16.0
9.9
K8
Büyükdere Cd.
West bound entrance and east bound exit only
Beşiktaş
16.6
10.3
Harp Akademileri Tunnel[2] 456 m (1,496 ft)
Sarıyer
18.1
11.2
K9
Levent 1 Connector- Levent, Etiler and Baltalimanı
East bound entrance and west bound exit only
Sarıyer
18.8
11.7
K10
Cengiz Topel Cd.
Sarıyer
19.2
11.9
Fatih Sultan Mehmet Bridge Toll Plaza Electronic toll payment only.
₺8.50 toll
Sarıyer/ Beykoz
20.5
12.7
Fatih Sultan Mehmet Bridge 1,510 m (4,950 ft)
Beykoz
23.6
14.7
K7
Yeni Riva Yolu- Beykoz, Çayağzı, Riva and Anadoluhisarı
Ümraniye
28.6
17.8
K8
O-2/O7 Connector-
Ümraniye
30.9
19.2
K9
-Üsküdar, Çekmeköy, Sarıgazi, Sultanbeyli and Şile
Ataşehir
34.7
21.6
K10
-Üsküdar, Kocaeli, Ankara
Kadıköy
36.2
22.5
Halk Cd.
Kadıköy
37.7
23.4
K11
D.100-Üsküdar, Kocaeli, Ankara
^Usually colloquially called TEM yolu or TEM in Turkish—which refers to Trans-European Motorway.
^"Turkey". World's Longest Tunnels. Archived from the original on March 25, 2009. Retrieved March 22, 2009.
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Global Information
E80
AH1 and 
AH5
O-3 in Mahmutbey, Istanbul
D.100 in Kozyatağı, Istanbul
O-2, locally referred to as 2. Çevreyolu[1] (English: The Second Ring Road), is a motorway in Istanbul, Turkey that forms the outer ring road of the city connecting European and Asian parts via the Fatih Sultan Mehmet Bridge.
O-4, before the toll plaza is situated. Otoyol 2 is toll-free, however the Fatih Sultan Bridge is a toll bridge in the eastward direction only, having its toll plaza at the European side. O-2 is connected via three feeder highways to İstanbul 1. Çevreyolu (First Beltway) 
O-1 and one highway to Avrupa Otoyolu (Europe Motorway). As the connecting highway of the motorways 
K19
K1
K6
-Hasdal,Kemerburgaz
-Üsküdar, Kocaeli, Ankara
