Underground Passage
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An underground passage is a tunnel built to allow pedestrians to safely cross from one side of the road to the other. These types of passages are mainly constructed beneath large roads and avenues. Companies engaged in the design and construction of underground passages specialize in building passages, bridges, and road signs. They provide services to enhance road safety and protect pedestrians from accidents. These companies use concrete, metal, and other construction materials in the construction of passages. They play an important role in improving road transport infrastructure.
