As from next Monday (14 August), Boardmans Lane, Blackbrook, will be closed at its junction with Park Road for three weeks to facilitate junction improvement works for the new Lidl Supermarket on Park Road.
The road is expected to reopen on Monday 4 September.
A signed diversion route will be place for motorists.
To find out about roadworks in St Helens, visit www.sthelens.gov.uk/traffic-travel-parking/roadworks