Work in Progress is a 25-minute documentary which is part of the British Transport Films Collection.
First is a piece on a third 3-mile (4.8 km) tunnel being excavated under the Pennines at Woodhead, Derbyshire, estimated to take three years to complete.
Tunnelers are shown being lowered into a 500-foot (150 m) ventilation shaft, from where they use shovels to dig out blasted rock.
Second topic is the work of British Road Services in Campbeltown, Scotland.
The third topic shows the work of the Whitemoor marshalling yard in Cambridgeshire.