Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Border Union Railway was a railway line in south of Scotland. It was authorised on 21 July 1859 and advertised as the Waverley Route by the promoters - the North British Railway. It connected the Edinburgh and Hawick Railway at Hawick with Carlisle. The first section of the route was opened between Carlisle and Scotch Dyke on 12 October 1861, to Newcastleton on 1 March 1862, Riccarton Junction on 2 June 1862 and throughout on 24 June 1862. The railway was built as a double-track main line throughout.