Visibility. Requirements Diagram

Element View:
Visibility.Visibility.The driver must have access to a direct arc of visibility ahead and to 90°on each side of the longitudinal axis of the vehicle.The driver's field of vision must be achieved without aid of any optical (or electronic) devices.Movement of the Driver's head within the confines of the vehicle body to achieve a complete arc of vision is allowed.Door windowDirect arc of visibility and 90º in each direction without aid of any optical device:
The vehicle must be equipped with a rear-view mirror on each side of the vehicle.Each rear-view mirror must have a surface area of minimum 25 cm².An electronic device must not replace a rear-view mirror.Rear-view mirror on each side of the vehicle:
Rear-view mirror area >= 25 cm^2.It can't be replaced by an electronic device.The driver must be able to see 60 cm high blocks spread out every 30° in a half-circle, with a 5m radius in front of the vehicle.The driver must see 60 cm high blocks spread out every 30º in a 5m radius half-circle.For urban concept vehicles wet weather visibility is also mandatory (article 4.6).Wet weather visibility