Otoyol 1
Template: Infobox trunk road / Maintenance / TR -O
Il ( provinces ):
Istanbul
The otoyol Highway 1 ( Turkish Boğaziçi Köprüsü Otoyolu, short O-1 ) is an urban freeway in İstanbul in Turkey. An essential component of the three lanes on both sides developed road is opened in 1973 Bosphorus Bridge.