A key road off the top of Harborough’s High Street will be closed for up to three weeks from Sunday.
Bowden Lane will be shut off to traffic while contractors for Severn Trent Water carry out repairs to the water main.
A diversion will be set up via High Street, Leicester Road, Alvington Way, Burnmill Road and vice versa.
Station Road in Kibworth will be also be shut for five days from Monday while contractors for Network Rail carry out repairs to the railway bridge.
Diversions will be in place during the closure.