Otoyol 1

O-1 shield}}

O-1
Otoyol 1
Istanbul Inner Beltway
İstanbul 1. Çevreyolu
Major junctions
From: Osmaniye, Bakırköy, Istanbul
To: Söğütlüçeşme, Kadıköy, Istanbul
Location
Regions: Marmara
Provinces: Istanbul Province
Major cities: Istanbul
Highway system

Otoyol 1 (English: Motorway 1), abbreviated as O-1, aka İstanbul 1. Çevreyolu (English: Istanbul Inner Beltway), is a motorway in Istanbul, Turkey that forms the inner half ring road of the city connecting European and Asian parts 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. O-1 is connected via three feeder highways to İstanbul 2. Çevreyolu (Istanbul Outer Beltway) O-2.

District km Exit No. Destinations Notes
Bakırköy 0 0 K1
Osmaniye
Fatih 0.9 0.9 K2 Topkapı (Also serves to Aksaray, Fatih, Taksim)
Fatih 1.7 2.6 K3 Vatan Cad. (Also serves to Aksaray, Bayrampaşa, Gaziosmanpaşa, Esenler and Bağcılar) Feeder to O-2
Eyüp 1.6 4.2 K4 Edirnekapı (Also serves to Fatih and Bayrampaşa)
Fatih 1.2 5.4 K5 Ayvansaray (Also serves to Eyüp)
Fatih, Beyoğlu Golden Horn Bridge
Beyoğlu 0.6 6.0 K6 Halıcıoğlu (Also serves to Kasımpaşa and Sütlüce)
Kağıthane 1.8 7.8 K7 Okmeydanı (Also serves to Dolapdere and Kasımpaşa) Feeder to O-2 (Also serves to Kağıthane and Kemerburgaz)
Şişli 2.1 9.9 K8 Çağlayan (Also serves to Şişli and Kağıthane) Piyalepaşa Ave.
Beşiktaş 2.9 12.8 K9
Barbaros Barbaros Ave.
Last exit before the toll bridge
Beşiktaş 1.0 13.8 K10 Balmumcu (Also serves to Beşiktaş and Sarıyer) Westbound only
Beşiktaş V408 / V409 Ortaköy Viaduct[1]
411 m (1,348 ft) / 362 m (1,188 ft)
Üsküdar
Bosphorus Bridge 1,074 m (3,524 ft)
Üsküdar Toll plaza of the Bosphorus Bridge
Toll payment for east-bound only
Üsküdar 3.2 17.0 K11 Beylerbeyi (Also serves to Üsküdar and Beykoz)
Üsküdar Parking Area
Westbound only
Üsküdar 1.6 18.6
K12
Altunizade (Also serves to Üsküdar) Last exit before the toll bridge
D.020 Feeder to O-2 (Also serves to Çamlıca, Ümraniye and Şile)
Kadıköy Acıbadem
Eastbound exit only (no entrance)
Kadıköy 2.0 20.6 K13 Çamlıca Feeder to O-2
Kadıköy 3.2 23.8 K14 Uzunçayır D.100
Kadıköy 2.0 25.8
K15
Söğütlüçeşme (Also serves to Kadıköy and Üsküdar and bounded to costroad from Üsküdar to Alt Kaynarca)

See also

References

  1. Yüzügüllü, Özal. "İstanbul Otoyol Köprü ve Viyadüklerinin Deprem Performanslarının Değerlendirilmesi". IMO Istanbul (in Turkish) (TMMOB IMO) (53). Retrieved March 28, 2009.

External links