D.550 is a north to south nation road in Turkey. It runs basically alongside the west coast of Turkey. It starts at Edirne and ends in Muğla. First 227 kilometres (141 mi) of the street is in european part of Turkey. between Eceabat and Çanakkale it passes over the Strait of Çanakkale (popularly called Dardanelles) by ferryboat.
|Part of:||E.90 E.87|
|Length:||775 km (482 mi)|
|Highway system||Turkish State Highway System (Devlet Yolu)