D.020 is a west to east kingdom road in Turkey jogging both on Europe and Asia. It begins in Edirne East at the D-100 junction near İskender village, and ends in Adapazarı with interruption on the Istanbul Strait. the ecu component ends in Hasdal at , and it starts again at the Asian element in Sultanbeyli.
|Length:||456 km (284 mi)|
|West end:||Edirne East D-100|
|Highway system||Turkish State Highway System (Devlet Yolu)