The Corridor IX is one of the Pan-European corridors. It runs between Helsinki in Finland and Alexandroupolis in Greece. The corridor follows the route: Helsinki - Vyborg - Saint Petersburg - Moscow - Kyiv - ChiÃÂinÃÂu - Bucharest - Ruse - Stara Zagora - Dimitrovgrad - Alexandroupolis.
Corridor IX has 3 branches:
https://ec.europa.eu/ten/transport/external_dimension/hlg/2005_03_31_tent_consultation/doc/corridor_status_report_2000_2001_en.pdf