A circle inside a 18 is what parking lot traffic safety Icon
Road traffic auxiliary signs are divided into indication time and vehicle according to their use..
road traffic auxiliary signs, road traffic auxiliary signs of 5 kinds, is attached to the main signs, auxiliary instructions, signs, such road traffic signs can not be set up and use alone
In addition to its shape, location identification, rectangular and square; its color, in addition to milepost 100 meters piles and road signs, road for the blue and white pattern, highway is green with a white pattern.
There are 20 kinds of road signs. They are the signs of transmitting the direction, location and distance information of the road