The lane is likely to be closed all day and there are roadworks planned overnight.
National Highways said:
‘Lane 1 of (2) is currently closed on the A1 southbound between the A151 and the B668 near Stamford due to an infrastructure defect.
‘Contractors are en route but the lane is likely to remain closed throughout today with the road also planned to be closed overnight for planned roadworks.’
AA Roadwatch reports:
‘Very slow traffic due to poor road surface on A1 Southbound from Broadgate Road (South Witham / Thistleton Turn Off) to B668 (Stretton / Greetham Turn Off).