Traffic lights factory from now the market trend of the demand of traffic signal controller, large and medium-sized cities to coordinate type and pleading and overpasses have gathered signal control machine needs more, and while a small city in the tender process have coordinated signal, but the practice using the
traffic lights manufacturers look at traffic signals from the trend of the current market demand. Large and medium-sized cities of growing demand for signal control machine, signal control machine can be used to coordinate and pedestrians crossing the street. Small city needs to coordinate the signal in the bidding process, but in fact they are still used as a single point of traffic signal. Solar traffic lights will also be a sunny but the popular demand of the power supply is not convenient place. For foreign markets, fast and convenient manual function demand. Affected by the high-speed crash, traffic signal manufacturers check specification of traffic signal hardware green conflict detection functions mandatory requirements are put forward. In the news recently very popular pedestrian crossing time problem, touched the people-oriented in the process of transportation planning, the theme of the pedestrian crossing traffic control function of domestic traffic signal manufacturers will be very popular. China's traffic signal controller manufacturers traffic countdown device installed at the crossroads. The traditional countdown is a kind of learning style, using black screen time in the learning process. During this period, drivers, and friends can be misleading or think countdown is broken. Therefore, countdown to communication interface is also the inevitable trend of traffic signal control machine planning.