Editing Single-point urban interchange (section)

{{short description|Highway interchange design}}
{{Hatnote|This article reflects countries that [[right- and left-hand traffic|drive on the right]]. For countries that drive on the left, reverse right and left.}}
{{Use mdy dates|date=February 2014}}

[[File:spui-schematic.svg|thumb|300px|right|Schematic of a freeway-under SPUI where traffic [[driving on the left or right|drives on the right]]. Traffic entering the freeway is in red. Traffic exiting the freeway is in green. Through traffic is in gray. All traffic motion of the same color can proceed simultaneously.]]
A '''single-point urban interchange''' ('''SPUI''', {{IPAc-en|ˈ|s|p|uː|i}} {{respelling|SPOO|ee}} or {{IPAc-en|ˈ|s|p|juː|i}} {{respelling|SPEW|ee}}), also called a '''single-point interchange''' ('''SPI''')<ref>{{Cite web |title=Overview of Reduced Conflict Intersection Design & Operations |url=http://wisconsindot.gov/dtsdManuals/traffic-ops/programs/training/innovative-intersection-ppt.pdf |url-status=live |publisher=Wisconsin Department of Transportation |access-date=May 5, 2016 |archive-date=February 1, 2017 |archive-url=https://web.archive.org/web/20170201202646/http://wisconsindot.gov/dtsdManuals/traffic-ops/programs/training/innovative-intersection-ppt.pdf }}</ref> or '''single-point diamond interchange''' ('''SPDI'''), is a type of [[highway interchange]]. The design was created in order to help move large volumes of traffic through limited amounts of space efficiently.
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