[5] The station opened in 1971 as part of Greek efforts to create a passing loop for the CO.
The then SEK designed and constructed a 9 km (5.6 mi) direct connection between Nea Vyssa and Marasia within the Greek borders, bypassing Karaağaç.
The new line section included Kastanies railway station and a new bridge over the river Ardas.
[6] Karaağaç railway station was abandoned, the track lifted and the building converted to other use.
As of 2020[update] the stop is served by only one daily pair of local trains to/from Alexandroupoli.