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Recently, attentive citizens found that on the interchange ramp of Taihe hub of Guangji Expressway, the orange guardrail is particularly eye-catchi.
It is understood that since March this year, the Ji'an Management Center of the Provincial Expressway Group has begun to install the new type of rotating anti-collision guardra.
"This is called a rotating roller guardra.
It is reported that the traditional guardrail is made of hard steel materi.