Barton was pulled over in his Range Rover outside Newcastle United's Little Benton ground by two squad cars.
Officers made him get out and quizzed him for several minutes before he was allowed to drive off in his £60,000 silver motor.
Barton Quizzed By Police!
Northumbria Police said: "We are investigating whether an offence has been committed."
It comes two weeks after he was filmed running a red light in Newcastle.