A section of the A1079 near Market Weighton has been closed following a crash this morning.
The Pocklington Post understands the crash, at about 8.31am, involved a blue coloured Hyundai and a silver coloured Mercedes.
A Humberside Police spokeswoman said a woman, travelling in the blue Hyundai, has sustained head injuries and will be taken to hospital.
The driver of the Mercedes is not believed to have been injured.
Traffic from Shiptonthorpe is being diverted through Market Weighton and road closures are in place at Gallymore.