An article from New Civil Engineer:
Werrington upgrade | Inside the record-breaking box jack pushed beneath the East Coast Main Line
https://www.newcivilengineer.com/latest/werrington-upgrade-inside-the-record-breaking-box-jack-pushed-beneath-the-east-coast-main-line-15-10-2021/?eea=TkZiZ2VYd0ZvdS9NQklLeVY4V1Q1ZXhNZDdCTlluWG1VL0FaWXZzV29yc3dOeEhUNElsWUVMOWRFQnd0M1pURg%3D%3D&utm_source=acs&utm_medium=email&utm_campaign=CONE_NCE_EDI_ALL_MORNING_151021&deliveryName=DM10084
"That’s surprising, especially considering whole roads and tracks had to be shifted 50m eastwards to make way for the new structure – but the locals seemed more curious than anything. In fact, Skelton has recently taken a group on a tour of the site, among them retired engineers and a fanatical octogenarian."