Drivers are being warned to avoid the A46 near to Newark Showground after a crash involving two lorries.
The road is partially blocked on the roundabout and traffic is queuing for several miles on the A46 southbound and the A17westbound.
The collision happened at the A1 Air Museum turnoff, on the roundabout.
This is a developing story and will be updated accordingly.
Contact the news desk on [email protected] to keep others informed.