Otoyol 5
The western part of the Bursa Beltway, which is part of the O-5, was completed during the 2000s. The rest of the O-5 has been under construction since the early 2010s, with the first portion opened from Altinova to Gemlik in April 2016. As of April 2017, the O-5 is open in two separate sections: the section from its northern terminus in Gebze to Bursa, across the Osman Gazi Bridge along with a section from Kemalpaşa to its southern terminus in İzmir. The final section, Karacabey to Akhisar, opened on August 5th, 2019. The O-5 is the most  expensive toll motorway in Turkey as the price for a personal vehicle from Gebze to Izmir , 367 ( 45.45), including the Osman Gazi Bridge toll of 147.50 ( 18.26). Gebze-Orhangazi-İzmir Motorway Project details. The project includes the Osman Gazi Bridge, the Gebze-Bursa section and the Bursa-İzmir section of Otoyol 5. It is a build-operate-transfer project which was awarded to a consortium consisting of 5 companies (Nurol, Özaltın, Makyol, Göçay and Astaldi).