The A18 Thorne Road near to Clay Lane and Sainsbury’s at Edenthorpe will be shut until Sunday while work takes place on installing a new railway bridge.
A Doncaster Council spokesman said: “The current works being carried out under the road closure are progressing well and on track to be completed on time.
“As expected, the closure of this route is having a significant impact on journey times and we apologise for any inconvenience.
“Motorists are advised to vary their journey times and use alternative routes where possible. Please follow the signed diversions that are in place to avoid using unsuitable roads.”
The road is closed on the section between the Sandall Park/Shaw Lane Industrial Estate roundabout and the West Moor Link roundabout at the other side of the railway bridge, near to the Toby Carvery pub and Sainsbury’s supermarket.
The works are part of an ongoing two year scheme to improve the A630 West Moor Link road which connects junction 4 of the M18 to Edenthorpe.
The scheme aims to improve journey times on the A630/A18 corridor by replacing the A18 Thorne Rd railway over bridge with a 'widened and deepened prefabricated bridge' as well as alterations to Thorne Road itself, including widening of the route and alterations to roundabouts.
From Sunday 8 March through to the end of June 2020 the road will reopen but the road will be single lane in both directions as the work progresses.
There will be no pedestrian route between March 1 and 8 and school pupils heading towards Hungerhill School are being advised to take an alternative route to get to classes.
The roadworks coincide with carriageway repairs to the tunnels on Trafford Way underneath the Frenchgate Centre.
Drivers are being warned of diversions and disruption with lane closures between 8pm and 6am until tomorrow when the roadworks are due to be completed.