- National Grid Plc, Porr, Skanska, A.Hak
- 4963.7 metre(s)
- United Kingdom (River Humber, United Kingdom)
The longest hydraulically-inserted pipe measures 4,963.7 m (16,285 ft 1 in) and was achieved by National Grid Plc, Porr, Skanska, A.Hak (all UK) in Lincolnshire, UK, on 10 July 2020.
The pipe runs under the river Humber, a large tidal estuary on the east coast of Northern England.