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T-Roadblock is a road block for the manhole which is under construction in urban area. Manhole is still very common in the developing country. At least thousands of people got serious injure from accidentally fell into manhole each year around the globe.
T-Roadblock is a tent on the manhole, which can provide all-around protection for passengers. It catches people’s attention more easily and prevent people from falling in it.
Zhejiang Sci-Tech University
Haoxiang Ye Zhengren Lin Shuang Liang