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About product and suppliers:
        Alibaba.com offers 28,691 road barrier products. About 59% of these are traffic barrier, 3% are other roadway products, and 1% are other plastic products. 

A wide variety of road barrier options are available to you, such as free samples, paid samples. 

There are 28,515 road barrier suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Singapore, which supply 98%, 1%, and 1% of road barrier respectively. 

Road barrier products are most popular in North America, Domestic Market, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 10,479 with ISO9001, 3,567 with Other, and 2,117 with ISO14001 certification.