Kawartha Lakes Grade 4 students were invited to make posters promoting safety.

OPP and GTA police will be focusing on the 'big 4' driving behaviours this weekend including impaired driving, failure to use seat belts, aggressive driving and distracted driving.

In the first incident, an unmarked OPP pulled over a car that was recorded doing 190 km/h in an 80 km/h construction zone. In the second, a car was clocked at 187 km/h in a posted 100 km/h zone.