The Glasgow–Edinburgh via Falkirk line is a mainline railway line linking Glasgow and Edinburgh via Falkirk in Scotland. It is the principal route out of the five rail links between Scotland's two biggest cities, hosting the flagship "Shuttle" service between and . A typical service calls at Glasgow Queen Street, Croy, Falkirk High, Haymarket and Edinburgh or Glasgow Queen Street, Falkirk High, Polmont, Linlithgow, Haymarket and Edinburgh. History The route has historic significance as it was Scotland's first inter-city railway, opening on 2 February 1842 as the Edinburgh and Glasgow Railway. It later became a key constituent of the North British Railway. Electrification The line was electrified in the 2010s. It was anticipated that electric Class 380 trains would start running from May 2017, followed by new Class 385 trains from September 2017. However, delays to the electrification project mean the 380s did not run until December 2017 and the 385s did not run until July 2018. Places served The route serves the following places (Ordnance Survey grid references for stations): Services Passenger services are operated by ScotRail. The line is electrified. The "(Glasgow Queen Street-Edinburgh Haymarket) Shuttle" weekday day time service pattern sees a train every 15 minutes from Glasgow/Edinburgh. All trains stop at Falkirk High and Haymarket, with selected trains stopping at Croy, Polmont and Linlithgow. The Sunday service sees a train every 30 minutes from Glasgow/Edinburgh with all trains calling at Falkirk High and Haymarket and a train every hour at Croy, Polmont and Linlithgow. However, both Linlithgow and Polmont also benefit from the Edinburgh–Dunblane line every half hour on a Sunday. Rolling stock 1950s/60s As part of a review by the British Transport Commission report in 1952, the services were provided by the 1956 batch of Class 126 DMU, entering service in 1957. 1970s In 1971, the stock provided changed to locomotives fitted for Blue Star multiple working. Initially a mixture of Class 25, Class 27 and Class 37 at each end of a rake of Mark 2 carriages through wired and piped to provide "push-pull" working. This very quickly settled down to a dedicated pool of Class 27 locomotives. 1980s In 1980, the push-pull sets were replaced by single Class 47/7s at one end of a rake of Mark 3 carriages and a DBSO operating with TDM system. Also during this period, InterCity provided through services from Glasgow Queen Street to London King's Cross and