Existed: 1973 – present Provinces: Istanbul Province Constructed 1973 Major cities Istanbul | Regions: Marmara Length 24 km Province Istanbul Province | |
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From: Osmaniye, Bakırköy, Istanbul To: Söğütlüçeşme, Kadıköy, Istanbul | ||
Otoyol 1 (English: Motorway 1), abbreviated as and locally referred to as İstanbul 1. Çevreyolu (English: Istanbul Inner Beltway), is a controlled access highway in Istanbul, Turkey. The O-1 serves as the Inner Beltway and is one of three beltways in the city, the others being the O-2, and O-6,as well as connecting the European and Asian parts of the city via the Bosphorus Bridge.
Map of O-1, %C4%B0stanbul, Turkey
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 the eastward direction only, having its toll plaza at the Asian side. O-1 is connected via three feeder highways to İstanbul 2. Çevreyolu (Istanbul Outer Beltway) .