Inrix, the traffic data company, report slow traffic queueing in the area.
And eyewitnesses report that an air ambulance is also in attendance.
The accident is understood to involve two lorries.
A Staffordshire Police spokesman said: “We’ve got a two lorry RTC at the McDonald’s roundabout.
“We’re in attendance along with the Staffordshire Fire and Rescue Service due to a diesel spillage and we are awaiting recovery of one of the HGVs.”
We will bring you further updates on this incident as we get them.