North Bay OPP have charged two men with stunt driving after police spotted two cars going more than 70 km/h over the limit.
Police say the incident took place on March 12 at 4 p.m.
They say the cars were going more than 170 km/h in a 100 km/h zone, on the southbound lane of Highway 11, in Callander.
A 22-year-old Hamilton driver and a 75-year-old driver from Powassan have been charged.
Both had their licenses seized and vehicles towed from the scene and impounded for seven days.
They are scheduled to appear in a North Bay courtroom on May 3.