According to Mr. Google it is...
Barlaston, Stafford, Staffordshire. A view of the Barlaston pipeline crossing the Trent and Mersey Canal during the installation of the pipeline.
The contract for the Barlaston gas pipeline was awarded to Laing Pipelines in January 1970. The pipeline ran for approximately 29 miles from Uffington, near Shrewsbury, to Barlaston in North Staffordshire. Along the route there were 61 crossings, including under the M6, the main electric railway from Euston to Crewe, two canals and six rivers, and a steep climb alongside the A34 dual carriageway near Barlaston. This photograph was published in July 1970 in the Laing monthly newsletter Team Spirit
Text from: https://images.historicenglandservices.org.uk/industry/engineering-construction/barlaston-pipeline-jlp01-08-084420-23828539.html