Otoyol 1 (English: Motorway 1), abbreviated as O-1 and locally referred to as The First Beltway (Turkish: 1. Çevreyolu), is a controlled access highway in Istanbul, Turkey. The O-1 serves as the inner beltway and is one of three intercontinental motorways in the city, the others being the O-2, and O-7, as well as connecting the European and Asian parts of the city via the Bosphorus Bridge.
O-1 | ||||
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The First Beltway 1. Çevreyolu | ||||
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Route information | ||||
Length | 24 km (15 mi) | |||
Existed | 1973–present | |||
Major junctions | ||||
West end | ![]() ![]() | |||
East end | Bağdat Ave. in Kadıköy, Istanbul | |||
Standort | ||||
Land | Türkei | |||
Regions | Marmara | |||
Provinces | Istanbul Province | |||
Major cities | Istanbul | |||
Highway system | ||||
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It starts Osmaniye neighborhood in Bakırköy district on the European part, runs through the city over the Golden Horn and the Bosphorus, and terminates in Söğütlüçeşme neighborhood of Kadıköy district on the Asian part. Otoyol 1 is toll-free, however the Bosporus Bridge is a toll bridge in both directions, having its toll plaza at the Asian side. The O-1 is connected via three feeder highways to The Second Beltway.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/5/57/Metrobus_Istanbul_2010.jpg/300px-Metrobus_Istanbul_2010.jpg)
Exit list
editProvince | District | km | mi | Exit | Destinations | Notes |
---|---|---|---|---|---|---|
Istanbul | Eyüpsultan | 0.0 | 0.0 | K1 | O-3 — Edirne / D.100 — Kapıkule | |
1.2 | 0.75 | K2 | Rami Kışla Cd. | Eastbound entrance and westbound exit | ||
1.6 | 0.99 | K3 | Yavedut Cd. / Beylerbeyi Cd. / Halıcıoğlu Okmeydani Cd. | |||
Golden Horn | 1.9 | 1.2 | Haliç Bridge | |||
Beyoğlu | 2.8 | 1.7 | K4 | Halıcıoğlu Okmeydani Cd. | Westbound exit | |
3.7 | 2.3 | K5 | P.34-89 | Eastbound entrance | ||
Kağıthane | 4.4 | 2.7 | K6 | Hasdal-Okmeydanı connector — O-2 | ||
4.5 | 2.8 | K7 | Darülaceze Cd. | Eastbound entrance | ||
6.5 | 4.0 | K8 | Piyalepaşa Blv. | |||
Şişli | 8.3 | 5.2 | K9 | Büyükdere Cd. | Eastbound exit via K8 | |
9.4 | 5.8 | K10 | Barbaros Blv. | |||
Beşiktaş | 10.7 | 6.6 | K11 | Barbaros Blv. | Eastbound entrance and westbound exit | |
Bosphorus | 11.8 | 7.3 | Bosphorus Bridge (₺24.00 toll) | |||
Üsküdar | 13.8 | 8.6 | K12 | Beylerbeyi Kavşağı | ||
15.2 | 9.4 | K13 | Şile Motorway — O-2 | |||
16.0 | 9.9 | K14 | Acıbadem Cd. | Eastbound exit | ||
16.9 | 10.5 | K15 | O-4 — O-2, Kocaeli, Ankara | Eastbound exit, westbound entrance and exit | ||
18.4 | 11.4 | K16 | D.100 — Gürbulak | |||
Kadıköy | 19.9 | 12.4 | K17 | F. Kerim Gökay Cd. | Eastbound exit and westbound entrance | |
20.5 | 12.7 | - | Bağdat Cd. | Trumpet interchange | ||
1.000 mi = 1.609 km; 1.000 km = 0.621 mi |