Otoyol 1 ( en, Motorway 1), abbreviated as O-1 and locally referred to as Freeway 1 ( tr, 1. Çevreyolu), is a

controlled access highway A controlled-access highway is a type of highway that has been designed for high-speed vehicular traffic, with all traffic flow—ingress and egress—regulated. Common English terms are freeway, motorway and expressway. Other similar terms i ...

Istanbul Istanbul ( , ; tr, İstanbul ), formerly known as Constantinople ( grc-gre, Κωνσταντινούπολις; la, Constantinopolis), is the List of largest cities and towns in Turkey, largest city in Turkey, serving as the country's economic, ...

Turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a list of transcontinental countries, transcontinental country located mainly on the Anatolia, Anatolian Peninsula in Western Asia, with ...

. The O-1 serves as the inner freeway and is one of three

freeways A controlled-access highway is a type of highway that has been designed for high-speed vehicular traffic, with all traffic flow—ingress and egress—regulated. Common English terms are freeway, motorway and expressway. Other similar terms i ...

in the city, the others being the

O-2 O2, O-2, o2, O2, O2, O2− or O2+ may refer to: Science and technology * or dioxygen, the common allotrope of the chemical element oxygen * , the ion oxide * , the ion superoxide * , the ion dioxygenyl * , doubly ionized oxygen * O2, an EEG ...

, and O-7, as well as connecting the European and Asian parts of the city via the

Bosphorus Bridge The Bosphorus Bridge ( tr, Boğaziçi Köprüsü), known officially as the 15 July Martyrs Bridge ( tr, 15 Temmuz Şehitler Köprüsü) and unofficially as the First Bridge ( tr, Birinci Köprü), is one of the three suspension bridges spannin ...

. It starts Osmaniye neighborhood in

Bakırköy Bakırköy is a neighbourhood, municipality and district on the European side of Istanbul, Turkey. The quarter is densely populated, has a residential character and is inhabited by an upper middle class population. The municipality of Bakırköy ...

district on the European part, runs through the city over the

Golden Horn The Golden Horn ( tr, Altın Boynuz or ''Haliç''; grc, Χρυσόκερας, ''Chrysókeras''; la, Sinus Ceratinus) is a major urban waterway and the primary inlet of the Bosphorus in Istanbul, Turkey. As a natural estuary that connects with t ...

and the

Bosphorus The Bosporus Strait (; grc, Βόσπορος ; tr, İstanbul Boğazı 'Istanbul strait', colloquially ''Boğaz'') or Bosphorus Strait is a natural strait and an internationally significant waterway located in Istanbul in northwestern Tu ...

, and terminates in Söğütlüçeşme neighborhood of

Kadıköy Kadıköy (), known in classical antiquity and during the Roman and Byzantine eras as Chalcedon ( gr, Χαλκηδών), is a large, populous, and cosmopolitan district in the Asian side of Istanbul, Turkey, on the northern shore of the Sea of ...

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.

Exit list

References

External links

Istanbul road map
{{commons category, Otoyol 1 Transport in Istanbul Province 01 Fatih Beyoğlu Şişli Beşiktaş Transport in Kadıköy Üsküdar Bakırköy Eyüp Kağıthane

Exit list

See also

References

External links