The A38 in Sutton is closed following a collision this lunchtime.
It happened just after 1pm today (Monday 22nd July) when a motorcyclist came off his bike on Alfreton Road.
The motorcyclist has been taken to hospital with critical injuries.
The road is closed in both directions, with a diversion in place through the Ashfields Estate, while the scene is cleared and police conduct their enquiries.
If you saw the collision or have any information contact Nottinghamshire Police on 101, quoting incident 402 of 22 July 2013, or call Crimestoppers anonymously on 0800 555 111.