The Lapponia trains operated on a direct route from Oulu via Seinäjoki and Tampere to Helsinki.
Southbound Lapponia trains departed from Oulu at 7:00am, arriving in Helsinki at approximately 2:00pm.
The returning northbound train left Helsinki at 4:00pm, arriving in Oulu at 10:45pm.
The Lapponia express train service began in 1974 as a fast and direct connection between Oulu and the nation's capital.
The northbound Lapponia train (numbered EP 57) running on Helsinki–Oulu route stopped in 1987 at following stations: The southbound Lapponia train (numbered EP 50) running on Oulu–Helsinki route stopped also at railway stations in Parkano and Hämeenlinna.