本系统由单片机系统、键盘、发光二极管、交通灯演示系统组成，单片机作为主控制器用于十字路口的车辆及行人的交通管理，每个方向具有左拐、右拐、直行及行人4种通行指示灯，计时牌显示路口通行转换剩余时间。另外，在特种车辆如119、120通过路口时，系统可自动转为特种车辆放行，其他车辆禁止通行的状态，15s后系统自动恢复正常管理。并有手动控制分时段 84s与60s通行管理转换等功能。

-The system consists of microcontroller system, keypad, LED, traffic lights demonstration system components, single chip controller for the intersection as the main vehicle and pedestrian traffic management, in each direction with left, turn right, go straight and pedestrian traffic directions 4 lights, traffic conversion time card shows the remainder of the junction. In addition, special vehicles such as the 119,120 through the intersection, the system can automatically release into special vehicles, other vehicles will pass state, 15s the system will automatically return to normal management. And a manual control points 84s and 60s access time management conversion.