The reflective plates on the back of a truck means that, it is a regulatory requirement that marking plates be placed on the rear of certain motor vehicles and trailers in order to improve their visibility and to provide the do not overtake turning vehicle warning to other motorists.
When your vehicle has a GVM of more than 12 tonnes, you must the rear of your heavy vehicle display the following retro-reflective marking plates.
"Rear marking plate", a plate faced with retro-reflective and. fluorescent material or devices intended to increase the visibility and. permit easy identification of heavy and long vehicles.
Here are popular reflective plates we offered to Australian market now.