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There is no point of difference between grade separator or a flyover bridge.The point is that a grade separator can either be a flyover or an under pass, that is any structure which separates the uniform grade of a running highway into two different grades.

Also considering the cost fact grade saperator is more cost effective as far as my knowledge.
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14y ago
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7y ago

Flyover vs Overbridge

• An Overbridge allows movement of people or even a railway line over an existing road. It is a short structure that helps in crossing of people or railway across a road.

• A flyover is a long structure that allows a road over another road and this structure connects to another road.

• A flyover is more elaborate in design and is costlier to construct

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Q: In highway engineering what is the difference between a grade separator and a flyover bridge?
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