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O-1
The First Beltway
1. Çevreyolu
Route information
Length24 km (15 mi)
Existed1973–present
Major junctions
West end D.100, O-3 in Eyüp, Istanbul
East end Bağdat Ave. in Kadıköy, Istanbul
Location
Country Turkey
Regions Marmara
Provinces Istanbul Province
Major cities Istanbul
Highway system
  O-2

Otoyol 1 (English: Motorway 1), abbreviated as O-1 and locally referred to as Freeway 1 ( Turkish: 1. Çevreyolu), is a controlled access highway in Istanbul, Turkey. The O-1 serves as the inner freeway and is one of three freeways 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.

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. The O-1 is connected via three feeder highways to The Second Beltway.

O1 Haliç Bridge Halıcıoğlu entrance
O1 Haliç Bridge Ayvansaray entrance

Exit list

ProvinceDistrictkmmiExitDestinationsNotes
Istanbul Eyüpsultan0.00.0K1 O-3Edirne / D.100Kapıkule
1.20.75K2Rami Kışla Cd.Eastbound entrance and westbound exit
1.60.99K3Yavedut Cd. / Beylerbeyi Cd. / Halıcıoğlu Okmeydani Cd.
Golden Horn1.91.2 Haliç Bridge
Beyoğlu2.81.7K4Halıcıoğlu Okmeydani Cd.Westbound exit
3.72.3K5 P.34-89Eastbound entrance
Kağıthane4.42.7K6Hasdal-Okmeydanı connector — O-2
4.52.8K7Darülaceze Cd.Eastbound entrance
6.54.0K8Piyalepaşa Blv.
Şişli8.35.2K9 Büyükdere Cd.Eastbound exit via K8
9.45.8K10 Barbaros Blv.
Beşiktaş10.76.6K11 Barbaros Blv.Eastbound entrance and westbound exit
Bosphorus11.87.3 Bosphorus Bridge (₺8.50 toll)
Üsküdar13.88.6K12Beylerbeyi Kavşağı
15.29.4K13 Şile Motorway O-2
16.09.9K14Acıbadem Cd.Eastbound exit
16.910.5K15 O-4 O-2, Kocaeli, AnkaraEastbound exit, westbound entrance and exit
18.411.4K16 D.100Gürbulak
Kadıköy19.912.4K17F. Kerim Gökay Cd.Eastbound exit and westbound entrance
20.512.7- Bağdat Cd.Trumpet interchange
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

References

External links