Two Sheffield estates are set to benefit from new sewage systems to avert the risk of flooding.
Batemoor and Lowedges will be better protected from potential floods as two old sewers that recently burst are set to be replaced.
Yorkshire Water said the new system will run from the Transport Sports Ground on Greenhill Main Road to the sewage pumping station off Jordanthorpe Parkway.
Most of it will be laid in grass verges in the vicinity of Chesterfield Road South but the new system is set to cross Jordanthorpe Parkway, Lowedges Road and Greenhill Main Road.
To reduce the impact on motorists, the work, which starts in December, will be carried out using a tunneling technique.
A Yorkshire Water spokesman said: "We recently started work near to the sewage pumping station and in the sports field digging out the reception pits that will be used to launch and remove the tunnelling machines from the ground.
"Sheffield Council's Tree Officers have been consulted so that very few trees will be affected by the pipeline.
"Any verges that are disturbed will be fenced off and left over the winter until the warmer weather so the grass seed will take and grow when the verges are restored in Spring."