The A15 north of Lincoln is closed due to a crash near Lincolnshire Showground.
The collision happened at around 7.30am this morning - Monday October 29.
Lincolnshire Police have closed the road between Riseholme and the Showground.
A police spokesman said: “Please be aware if you are travelling this way.”
It is unclear at this stage how many vehicles are involved and whether there have been any injuries.