The line opened on 8 August 1861 from a second terminus at Barnard Castle to a junction with the Lancaster & Carlisle Railway at Tebay with intermediate stations at Lartington, Bowes, Barras, Kirkby Stephen, Ravenstondale & Gaisgill. The two stations at Barnard Castle were some distance apart; the earliest station became a through station and closed to passengers on 1 May 1862, but remained in use as a goods depot. The second station was closed for passenger trains under the Beeching cuts in 1964 and completely on 5 April 1965 and the site was eventually built on by GlaxoSmithKline. Today rail access is via , or . There are two bus routes provided by Arriva North East which connect Barnard Castle to Darlington, the X75 and X76.