 | This article needs additional citations for verification. (August 2017) |
 | ||||
|---|---|---|---|---|
| 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 | ||||
| ||||
Otoyol 2 (English: Motorway 2), abbreviated as 
O-2, locally referred to as 2. Çevreyolu[1] (English: The Second Beltway), 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.
 | This article contains a bulleted list or table of intersections which should be presented in a properly formatted junction table. (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. |
₺24.00 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.