基于虚拟仪器设计了智能交通信号灯的控制系统，实现信号灯按照一定规律自动交替，手动控制调节道路通行时间，时间连续显示以及不同声音提醒的多种功能.-This program designs an intelligent traffic signal control system based on virtual instrument technology. This system realizes some functions, for example, that the lights can be

交通信号灯分为：机动车信号灯、非机动车信号灯、人行横道信号灯、方向指示指示灯（箭头信号灯）、车道信号灯、闪光警告信号灯、道路与铁路平面交叉道口信号灯。-The traffic signal lamp is divided into: indicating signal lamp of the motor vehicle and non motor vehicle signal lamp, pedestrian crosswalk signal lamp, direction indicator