HAMILTON -- Police say a woman faces charges after allegedly driving 62 kilometres an hour over the posted speed limit with two young children in the car.

Hamilton police say an officer clocked the vehicle at 142 km/h in an 80 km/h zone early Wednesday morning.

They say an officer first noticed the car travelling at high speed and passing slower traffic.

Police say it had reached 142 km/h before they were able to catch up and make a traffic stop.

They say the driver, a 35-year-old woman from Cambridge, Ont., had two small children with her.

She is charged with stunt driving, speeding and driving without insurance.