Nova Zagora
In 2009 and 2010, tenders for the construction of Stara Zagora - Nova Zagora, Nova Zagora - Yambol-west interchange, and Yambol-west interchange - Karnobat sections, totalling 116.8 km, were conducted and contracts were signed. The sections between Stara Zagora and Yambol-east interchange opened to traffic in mid-2012, while the last remaining section between Yambol-east interchange and Karnobat interchange was completed on 15 July 2013.