Overview of intelligent road sign system design

Abstract

Intelligent signage system is an important tool to realize the rapid development of intelligent transportation and intelligent city. Traditional road signs can only use fixed words, symbols and colors to unilaterally transmit information to traffic participants, which cannot effectively control traffic flow and meet people ' s travel needs. The emergence of intelligent signs makes up for these defects. Firstly, the current situation of traditional road signs is reviewed. In view of the impact of intelligent signs on people ' s travel and future urban road development, the shortcomings of traditional signs and the development needs of intelligent signs are analyzed from different perspectives of information perception, information communication and low power consumption. The key technologies in intelligent signs are expounded. Finally, the future development is prospected and summarized