all thirteen were often used. Station building The former Cranwell station building remains and is now a guardhouse. The station at Slea River has been demolished and East Camp is occupied by residential estates for the soldiers based at RAF Cranwell. Notes References External links The northern section of the line on a 1947 OS Map Former RAF Cranwell Railway Station (now the guardroom) Railway lines opened in 1917 Railway lines closed in 1956 Rail transport in Lincolnshire