With a little more snow falling overnight and further freezing temperatures, roads across the county have turned to ice caused by compacted snow or meltwater freezing, according to police and highways officials.
According to Lincolnshire Police shortly before 7am,, the truck is said to have become stuck in snow and its trailer swung out across the whole road, blocking the A15 between Sleaford and Bourne both ways between the A52 and West Street.
The police say they have dealt with 20 crashes and nine hazards reported to them overnight due to the icy conditions and several roads are still closed due to the snow in the Wolds in the north of the county.
"Please take care and extra time this morning as there are still slippy roads out there, despite them being gritted," said a spokesman.
For those travelling into Grantham, police have reports of road conditions between Cold Harbour and Woodnook on the B6403 are proving to be hazardous. "Please drive with care and use alternative routes if possible. A number of vehicles have left the road," say police.
Meanwhile, Brant Broughton and Ruskington Chestnut Street primary schools are both closed today to key worker children due to the weather.