Emergency services are dealing with an RTC in Kexby, Gainsborough, after a motorcycle rider crashed.
The incident, which happened on the sharp bend at Kexby, was called into Lincs Police at 9:47am this morning (Thursday 21st August).
The rider of the motorbike, a local man in his 40s, is thought to have suffered serious injuries and has been taken by air ambulance to Hull Royal Infirmary for treatment.
Local diversions are in place after the road was blocked following the incident.
Emergency services are expected to remain on the scene for some time whilst a collision investigation and recovery takes place.
Any witnesses who have not already spoken to police are asked to call 101, quoting incident number 101 of 21/08/2014, or the Lincolnshire Police Collision Witness Hotline 01522 558855.