For example, many know a checkered flag in any racing event will always mean that a racer has crossed the finish line. Read more: 10 Iconic Movie Cars That Weren't Even Real The first solid ...

Most frequently, this is either an accident involving one or more cars in the race or debris on the racing ... will line up on the inside line or the outside line when the green flag waves.

This is because the start-finish ... racing line to let the car behind through. Slow-moving vehicle ahead A car ahead is moving slowly on track. Car must return to pits A driver seeing this flag ...