The roads typically intersect near Mahmutbey , a major junction where the O-2 meets the O-3 and links back toward the E5 .
Locally known as the 2. Çevreyolu or the TEM (Trans-European Motorway), this highway forms Istanbul's second beltway . It crosses the Bosphorus via the Fatih Sultan Mehmet Bridge and serves as the primary route for long-distance transit and heavy commercial traffic . Otoban 2 A E5 Otoban 2
This is the city's inner "stroad" that carries the Metrobus system . While originally a highway, it now functions as a central urban artery passing through densely populated residential and business districts like Kadıköy and Beyoğlu . Key Connection Points The roads typically intersect near Mahmutbey , a