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- There may be a variety of variations on the size and height of
the top and bottom roundabout.
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| - Let’s take a look at some examples. |
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Top: Overpass
Bottom: Ground-level
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Top: Semi-overpass
Bottom: Semi-underpass |
Top: Ground-level
Bottom: Underpass |
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Top: Overpass
Bottom: Ground-level
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Top: Semi-overpass
Bottom: Semi-underpass |
Top: Ground-level
Bottom: Underpass |
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Top: Overpass
Bottom: Ground-level
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Top: Semi-overpass
Bottom: Semi-underpass |
Top: Ground-level
Bottom: Underpass |
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- When a portion of the top roundabout is superimposed on the bottom
roundabout, support for the top roundabout can take the staple shape( )
instead of a “T”. |
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