The station, which originally provided a passing loop, was designed by Balthazar Lange and opened on 24 November 1882.

In addition to western parts of Eidsberg, Slitu served farms in Trøgstad.

Slitu had limited patronage, with only 28 average daily boarding and disembarking passengers in 2008.

[9] This had a marked positive effect on ridership at Slitu, with the parking lot filling up and having to be expanded.

[11] Slitu Station is located about 2 kilometers (1.2 mi) south of is namesake village.

[8] Its main catchment area is that of the municipality of Trøgstad, for which most riders use Slitu as a park and ride station.

[13] Slitu is served with hourly L22 trains operated by Vy's Oslo Commuter Rail.