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|---|---|---|---|---|
| İstanbul Second Beltway İstanbul 2.Çevreyolu | ||||
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| Route information | ||||
| Length | 34 km (21 mi) | |||
| Restrictions | No through trucks,buses and international transition allowed on the Fatih Sultan Mehmet Bridge | |||
| Major junctions | ||||
| West end |  O-3 in "Mahmutbey Doğu K20" junction,BağcılarIstanbul | |||
| East end |  O-4 in "Anadolu Otoyolu K10" JunctionAtaşehir,ÜmraniyeIstanbul | |||
| Location | ||||
| Country | Turkey | |||
| Regions | Marmara | |||
| Provinces | Istanbul Province | |||
| Major cities | Istanbul | |||
| Highway system | ||||
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Otoyol 2 (English:Motorway 2), abbreviated as O-2, locally referred to as2.Çevreyolu,[1]TEM yolu orTEM in Turkish—which refers toTrans-European Motorway (English:The Second Beltway), is amotorway inIstanbul,Turkey that forms the outerring road of the city connectingEuropean andAsian parts via theFatih Sultan Mehmet Bridge. It starts in Mahmutbey East intersection on the European part, where theAvrupa Otoyolu (English:Europe Motorway) links, runs through the northern outskirts of the city passing over theBosporus Strait, and terminates at the western end of theAnadolu Otoyolu (English:Anatolia Motorway), before the toll plaza is situated. Otoyol 2 is toll-free, but a two-way toll collection practice has been implemented on the Fatih Sultan Mehmet Bridge. The O-2 motorway connects theEuropean motorway in the west and with the Anatolian motorway in the east
| District/Junction | Km | Mi | Exit No.[2] | Destinations | Notes | |
|---|---|---|---|---|---|---|
| Mahmutbey west junction | 0.0 | 0.0 | K19 | O-3 southbound istanbul Second Beltway route start K195 junction | nourthbound İstanbul Airport southbound Bakırköy Atatürk Airport | |
| Mahmutbey east junction | 2.7 | 1.67 | K20  | O-3 istanbul second beltway route | ||
| Metris junction | 3.5 | 2.4 | K1 | westO-3 east  O-2 | nourthbound Sultangazi southbound Gaziosmanpaşa | |
| Gaziosmanpaşa junction | 6.7 | 2.6 | K2 | Eski Edirne Asf.-Arnavutköy | ||
| KMO-Hasdal junction | 9.1 | 4.5 | K2-1 |  Başakşehir Connector | ||
| Kemerburgaz junction | 10.9 | 5.4 | K3 |  -Hasdal,Kemerburgaz | ||
| Hasdal junction | 12.2 | 7.1 | K4 | Hasdal/Okmeydanı Connector- O-1 | ||
| Seyrantepe junction | 14.1 | 7.8 | K5 | |||
| Harb Akademileri junction | 15.7 | 9.9 | K6 | Büyükdere Cd. | West bound entrance and east bound exit only | |
| Beşiktaş | 16.0 | 0.0 |  | Harp Akademileri Tunnel[3] 456 m (1,496 ft) | ||
| Levent junction | 17.7 | 11.2 | K7 | Levent 1 Connector-Levent,Etiler andBaltalimanı | East bound entrance and west bound exit only | |
| Sarıyer | 18.6 | 11.9 |  | Fatih Sultan Mehmet Bridge Toll Plaza Electronic toll payment only. | ₺47.00 toll:13/01/2025 | |
| Sarıyer Beykoz | 19.7 | 12.7 |  | Fatih Sultan Mehmet Bridge 1,510 m (4,950 ft) | ||
| Kavacık junction | 23.6 | 14.7 | K8 | Yeni Riva Yolu- Beykoz,Çayağzı, Riva and Anadoluhisarı | ||
| Çamlık junction | 28.6 | 17.8 | K8-1 | Çekmeköy Connector- | ||
| Ümraniye junction | 30.9 | 19.2 | K9 | -Üsküdar, Çekmeköy, Sarıgazi, Sultanbeyli and Şile | ||
| Ataşehir-Ümraniye Anadolu otoyolu juction | 34.7 | 21.6 | K10 |  Kocaeli-Ankara | ||
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi | ||||||
| Current |  | |
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| Former | ||
| Planned | ||
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