Carstairs railway station serves the village of Carstairs in South Lanarkshire, Scotland and is a major junction station on the West Coast Main Line (WCML), situated close to the point at which the lines from London Euston and Edinburgh to Glasgow Central merge. Constructed originally by the Caledonian Railway, the station is operated today by Abellio ScotRail and is also served by one TransPennine Express trains service per day between Manchester Airport and Glasgow Central. All other services by TransPennine Express and services operated by Avanti West Coast, Caledonian Sleeper, CrossCountry and London North Eastern Railway pass the station, but do not stop.