Police say the A607 remains closed following a collision reported at 11:36 this morning (Thursday).
An HGV and a motorbike collided on the A607 between Waddington and Harmston. Ambulance attended and took a man to Lincoln County Hospital.
His condition is not thought to be critical.
The road remains closed with diversions being arranged.
Anyone who witnessed the collision but who has not yet spoken to Police should call 101 with incident reference number 142 of the 1st October.