Side guards are designed to prevent exposed road users, such as pedestrians and cyclists, from falling under the sides of trucks and getting crushed by the back wheels. The recent death of a cyclist in Toronto has reignited the issue of whether the federal government should make them mandatory.

Side guards are designed to prevent exposed road users, such as pedestrians and cyclists, from falling under the sides of trucks and getting crushed by the back wheels. The recent death of a cyclist in Toronto has reignited the issue of whether the federal government should make them mandatory.