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About product and suppliers:
        Alibaba.com offers 5,273 traffic light controller products. About 39% of these are traffic light, 11% are traffic signal, and 1% are dimmers. 

A wide variety of traffic light controller options are available to you, such as free samples, paid samples. 

There are 5,273 traffic light controller suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of traffic light controller respectively. 

Traffic light controller products are most popular in North America, Southeast Asia, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 1,971 with ISO9001, 822 with Other, and 683 with OHSAS18001 certification.