Indicating sign is one of the main signs in traffic signs. Used to instruct vehicles and pedestrians to drive in the specified direction and place. The color of the indicator is blue background and white pattern; Shapes are divided into circles, rectangles and squares.
This sign means that only all vehicles can turn left (or right). It is located in an appropriate position in front of the intersection where vehicles must turn left (or right). When there are special regulations such as time and vehicle type, auxiliary signs or additional patterns should be adopted.