An elevated highway is a type of road or highway that is built above the ground, usually supported by pillars or columns. This design allows the road to pass over other roads, buildings, or areas, helping to avoid traffic congestion or obstacles on the ground level. Elevated highways are often used in busy urban areas where space is limited and there is a need to move large volumes of traffic efficiently. They can help reduce traffic jams, provide smoother travel, and make better use of limited land, though they can also be more expensive to build and maintain.

“elevated highway”的英语定义和含义

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