Chapter 4 Equipment in Traffic Control and Measure 4. 1 Conflicts of the traffic at an intersection 4.2 Traffic Signals 4.3 Traffic Controller 4. 4 Installation of traffic signals at intersection 4.5 Functions of Monitoring System 4.6 Traffic Detection and Data Processing 4.7 Traffic Detection Equipment 4.8 Environment detection 4.9 System Structure of monitoring Center4.1 Conflicts of the traffic at an intersection 4.2 Traffic Signals 4.3 Traffic Controller 4.4 Installation of traffic signals at intersection 4.5 Functions of Monitoring System 4.6 Traffic Detection and Data Processing 4.7 Traffic Detection Equipment 4.8 Environment detection 4.9 System Structure of Monitoring Center Chapter 4 Equipment in Traffic Control and Measure