The Ontario government claims the move to allow single-occupant vehicles in the lanes during certain hours will reduce gridlock and travel times.

Transportation officials have seen it all when it comes to carpool lane cheaters: Mannequins in the front passenger seat, dressing up the car seat with a hat and jacket, a baby carrier in the car.

Highway lanes designated for carpoolers will soon be opened up to solo drivers at certain times of the day, Ontario's transportation minister said Tuesday.