Chatham-Kent OPP stopped a woman going more than 200 kilometres per hour on the Highway 401.

An officer observed an eastbound Mercedes car travelling well over the posted speed limit of 100 km/h near Harwich Road on Tuesday morning.

Police say she was driving at approximately 220 km/h in a 100 km/h zone.

The 47-year-old female driver, from Tecumseh, has been charged with racing. Her driver’s licence has been suspended and the vehicle impounded for a period of seven days.