Drivers are being warned that the A1(M) at Doncaster is blocked and there is queuing traffic due to an overturned vehicle.
The area affected is northbound between junction 35 M18 and junction 36 A630 Warmsworth Road.
There is congestion to junction 34 A614 Bawtry Road.
* Elsewhere, there are also severe delays, two lanes closed and queuing traffic on M1 northbound between J32, M18 (Thurcroft) and J33, A630 (Catcliffe), because of an accident involving three lorries and two cars and recovery work. Congestion to J31, A57 (Sheffield) and on M18 to J1, A631 (Bramley).
There is also one lane closed and slow traffic on A1 northbound in Blyth at Blyth South Junction, because of an overturned vehicle.