The
Trakia motorway or
Thrace motorway, designated
A1, is a
motorway in
Bulgaria. It connects the capital city of
Sofia, the city of
Plovdiv and the city of
Burgas on the
Black Sea coast. The motorway is named after the historical region of
Thrace, the northern (Bulgarian) part of which it spans from west to east. The total length of Trakia motorway is and the final section opened on 15 July 2013 after 40 years of construction.