Use the rules of LED traffic signs

LED traffic signs is an important measure to guarantee the traffic safety, smooth. There are led traffic signs many types of traffic signs, can be used in various ways to distinguish: main signs and auxiliary sign; the movable markers and fixed signs; lighting signs and luminous signs and reflective signs; variable message signs and reflect the driving environment change.
LED traffic signs of Solar Traffic Sign general shape using the rules are as follows:
A. is an equilateral triangle: used for warning signs;
B. round: for the ban and indication;
C. inverted equilateral triangle: for the "slow to yield" ban signs;
D. octagon: "stop line" Road traffic signs prohibition signs for;
E. fork: for the "railway crossing fork symbol" warning sign:
F. Square: for road signs, warning, ban and indication, tourist area signs, auxiliary sign, sign sign lamp.