BTK (Baku-Tbilisi-Kars railway line)
Route: Azerbaijan-Georgia-Turkey
The Baku-Tbilisi-Kars railway runs from the Azerbaijani capital Baku to the Turkish city of Kars, passing through the Georgian cities of Tbilisi and Akhalkalaki. This railway connects Azerbaijan and Turkey.

It is planned to deliver cargo from different countries to Azerbaijan via Georgia to Turkey, and from there to Europe, as well as in the opposite direction.