One of the later additions to the ironwork along the top of Kielder Viaduct commemorates the four companies who operated the Border Counties line. Seen here on 8 November 2007.
John Furnevel [08/11/2007]

Southern approach to Kielder Viaduct in November 2013.
John Furnevel [05/11/2013]

Photograph taken in Border Counties territory in the late 1960s, showing part of the magnificent Kielder Viaduct with the photographer^s car (a 1968 Cortina Mk 2) parked in the foreground (or vice versa).
Robin Barbour Collection (Courtesy Bruce McCartney) [//]
All photographs of Kielder Viaduct