The A428 Bedford Road has been closed due to a road traffic collision.
Motorists should expect traffic in the area following a collision on Bedford Road.
The road has been closed temporarily as investigation work is carried out.
Vehicles are being diverted from Warrington Rbt to Olney A509 - Chicheley Rbt - A422 and back onto A428.
Milton Keynes Council posted: "Due to a road traffic collision (RTC) the A428 Bedford Road will be closed temporarily as investigation work is carried out."
The extent of the collision is not yet known.