Which type of mirrors are designed to monitor the area directly in front of the bus including the danger zone?

Crossover mirrors are specifically designed to allow bus drivers to monitor the area directly in front of the bus, often referred to as the danger zone. These specialized mirrors help in eliminating blind spots that could pose risks to pedestrians, particularly young children, who may be in close proximity to the bus during boarding or alighting. By providing a wider field of vision than traditional flat mirrors, crossover mirrors enhance safety by ensuring drivers can see obstacles or individuals directly in their path.

Additionally, while flat mirrors can help with side visibility and convex mirrors assist with overall peripheral viewing, these don't effectively monitor the front danger zone as crossover mirrors do. Interior mirrors can aid in observing student behavior inside the bus but do not serve the purpose of monitoring areas in front of the vehicle. Therefore, crossover mirrors are vital for maintaining safe operation in and around the bus, making them the correct choice.