Explaining new developments in civil engineering survey work, and the latest methods of preparing accurate and highly detailed drawings.

The film basically tells the story of the Selby Diversion and how the then modern Durham County Council's "Moss" computer aided drawing system was used.

Made for BR Eastern Region and Transmark for showing to engineering and general audiences in the UK, and to potential users of the BR system in other countries.

16mm & V.C.

(Additional information courtesy Philip Cousins).