What is the standard size of traffic signs?

Common specifications of traffic signs, traffic signs, traffic signs, expressway signs, parking lot signs, scenic signs, traffic safety signs, tourist signs and expressway signs: triangular signs with a side length of 70cm 90cm 1 10cm, circular signs with a diameter of 60cm 80cm 100cm, with specifications of 460*260cm.

What is the standard size of traffic signs? Shenzhen Guifeng Sanan Sign Pole Factory specializes in producing traffic signs, traffic signs, traffic signs, road signs, road signs, reflective signs, traffic signs, traffic lights and road traffic lights at all levels. The main materials are aluminum plate, aluminum-plastic plate and glass fiber reinforced plastic; Imported reflective films include 3M engineering grade, 3M super grade and 3M diamond grade; Domestic reflective film engineering level 5, engineering level 7, advertising reflective film.