The majority of the line is double track. Between the junction with the Glasgow–Edinburgh via Falkirk line and Edinburgh Waverley, the line is quadruple-tracked.
Historical
The route comprises the following historical railway lines:
Currently, the only electrified section is that in Edinburgh shared with the lines to Glasgow.
Work to electrify the section between Dalmeny railway station and the junction with the Glasgow lines began in June 2022 and is expected to be completed by December 2024.[1]
Services
There is an hourly service between Edinburgh and Aberdeen (17 trains in total) for most of the day. Most services are provided by ScotRail (8 of which extend to Inverurie, one continuing on from there to Inverness). 4 services are provided by LNER which provide services to/from Aberdeen of which 3 run to London King's Cross while 1 runs to Leeds. CrossCountry provides 1 train per day to Aberdeen from Plymouth while one runs from Aberdeen to Penzance and to Edinburgh. On Sundays, a limited service is provided by ScotRail who run 5 trains per day, LNER run 4 and CrossCountry run 1 service. On Monday-Saturday there is an hourly regional service from Edinburgh to Dundee, serving smaller Fife stations.