It caused a flurry of interest across social media as people watched a giant transformner being transported along the A17 and A47 to Walpole sub station.
The delivery was timed at the weekend to avoid causing traffic delays and appeared to go to plan.
The transformer will help secure safe and reliable electricity supplier for the future, say National Grid.
Edward Gomersall, project engineer at National Grid, said: “Moving a piece of equipment this size, while keeping traffic flowing on local roads is a major logistical exercise.
“We have been working closely with the local authorities, the police, and our specialist partners to make sure everything goes as smoothly as possible.
“We appreciate the community’s cooperation during this exercise.”
National Grid transported the heavy load by road on Sunday (23).
The new transformer, used to regulate the voltage of electricity, weighs 177 tonnes and was transported from Sutton Bridge Port on a specially designed trailer that is 60 metres long and more than five metres wide.
The load travelled from Sutton Bridge Port to Walpole from the A17 along the A1101 and the A47.
It then travelled via Walton Highway through West Walton to its final destination at Walpole Substation.
The trailer, supported by local specialist haulage company Allelys Heavy Haulage Ltd, set off at 8.30am and was delivered to Walpole Substation by late morning.
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