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The construction of this section was completed during the 1960s and included the iconic Pennine Tower at Forton Services.
The extensive project was a challenge for engineers, carving landscapes, hilly terrains and densely populated areas. They used innovative techniques such as embankments, bridges and tunnels to deal with varying elevations to ensure a smooth route. It was completed in the 1972 and alleviated congestion on the A6 and A59.
9. Building the M6
A view looking north across the fields as the M6 opens | Heritage Images via Getty Images
10. Building the M6
A view of the construction of the M6 Motorway through the Lune Gorge at Borrowbeck Viaduct, looking up at bridge beams being launched across the gorge by a large gantry above. | Heritage Images via Getty Images
11. Building the M6
A large gantry for launching bridge beams across the gorge. The work was on the Lune Gorge section | Heritage Images via Getty Images
12. Building the M6
Laing construction vehicles carrying out earthmoving on Section D of the Birmingham to Preston Motorway | Heritage Images via Getty Images