Sloped rock cuts line the side of the freeway in numerous locations. With the intent of reducing the severity of collisions against those cuts, the Ministry of Transportation of Ontario (MTO) tested out numerous alternatives to strike a cost-to-benefit balance. The standard slope used by the MTO is vertical, offset from the edge of the pavement by . The study concluded that although an initially higher investment would be required, the 2:1 sloped cut with grass overlaid produced the best results.