A minor level crossing straddles the tracks at the station.

Two notable railway viaducts (or bridges) carry the line over deep valleys near to Langwies.

The latter viaduct is listed as a Swiss heritage site of national significance.

[1] It is 284m long (though some sources state it as 287m) and, like the former viaduct, is a pioneering reinforced concrete structure.

As of the December 2023 timetable change,[update] the following services stop at Langwies GR:[2]