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About product and suppliers:
        Alibaba.com offers 27,767 road barrier products. About 60% of these are traffic barrier, 4% are fencing, trellis & gates, and 3% are other roadway products. 

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

There are 27,575 road barrier suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Singapore, and India, which supply 97%, 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 9,561 with ISO9001, 3,222 with Other, and 1,604 with ISO14001 certification.