Temporary traffic lights are in place in St Vincents Road at the junction with Garstang Road in Fulwood.Advertisement
Electricity North West are carrying out utility repair and maintenance works.
Excavation is taking place to install cable and a new link box.
A major multi-million pound project underway, which will see 5.4km of underground electricity cables upgraded.
Read more: Six months of roadworks across Fulwood planned for electricity cable upgrade
An update on the Lancashire County Council website says the work will continue until Thursday 21 April.
Read more: See the latest Preston news and headlines