LoRa technology occupies an important position in the development of the Internet of Things. Because of its ease of construction and deployment, it has become a commonly used Internet of Things dedicated network communication technology. In recent years, due to the maturity of LoRa technology in the leading position, as well as the characteristics of long transmission distance, low power consumption and strong anti-interference, LoRa modules are widely used.

Currently, IoT technology is playing an increasingly important role in environmental monitoring and security protection.

Traffic congestion is a serious problem that almost every big city will face. It has gradually developed from local peak congestion in a city to full-time congestion. First- and second-tier cities are also under the pressure of traffic congestion, and even some third-tier cities have begun to experience traffic congestion.

The fog area safety driving guidance system is a foggy road traffic safety protection equipment installed on the highway roadside guardrail or concrete wall. or components. It has fully intelligent active guidance and anti-collision warning.

With the continuous development of technology, it has also brought significant changes to our cities. A smart city is the result of the latest technology, where people live better with the help of information and communication technology. What role does the Internet of Things play in the traffic management of smart cities?