It is located along the Seinäjoki–Vaasa railway, and its neighboring stations are Seinäjoki in the east and Vaasa in the west.

Tervajoki is served by all long-distance trains (InterCity and Pendolino) that use the Seinäjoki–Vaasa line; the routes include Helsinki–Vaasa and Seinäjoki–Vaasa.

[4] It is the only intermediate station on the line, after the closings of Laihia, Ylistaro and Isokyrö on 20 June 2016.

[5] All trains arriving to and departing from the station use track 1.

This article about a Finnish railway station is a stub.