A3 motorway (Greece)

The A3 motorway, also known as the Central Greece motorway (Greek: Αυτοκινητόδρομος Κεντρικής Ελλάδας) or the E65 motorway, is a controlled-access highway in Greece. It links the A1 near Lamia with the A2 near Grevena, passing Karditsa, Trikala and Kalambaka. It is part of the European route E65.

Starting from the plain of Phthiotis near Lamia, it crosses the Othrys mountains, the plains of western Thessaly and the mountains Antichasia, Chasia and Pindos. Its total length is 174 km. The concession company is , which is a joint venture of ACS Group, Ferrovial and GEK Terna. Tendering began in May 2005 and ended on 31 May 2007 with the signing of the contract. The commencement of the 30 years concession period started in March 2008.

The middle section between Xyniada and Trikala was inaugurated and opened to traffic on December 22, 2017. In October 2018 the European Commission approved the funding for the construction of the southern section, Xyniada - Lamia, this section was opened to traffic in 2024. The last remaining section from Kalambaka to Grevena opened on 23 July 2026.