User:TerryPurdue/Junction Style Guide/Interchanges View history

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== Diverging Diamond Interchange (DDI) ==
== Diverging Diamond Interchange (DDI) ==


[[File:JSG-Interchanges-DDI-Overview.png]]
[[File:JSG-Interchanges-DDI-Overview.png|800px]]


''See also'': [https://en.wikipedia.org/wiki/Diverging_diamond_interchange Diverging Diamond Interchange] article on Wikipedia.
''See also'': [https://en.wikipedia.org/wiki/Diverging_diamond_interchange Diverging Diamond Interchange] article on Wikipedia.

Revision as of 17:22, 10 November 2016

Diverging Diamond Interchange (DDI)

See also: Diverging Diamond Interchange article on Wikipedia.

Diverging diamond interchanges (DDI) are a type of diamond interchange in which the two directions of traffic cross to the opposite side as they pass over/under the limited-access roadway.

This type of interchange is unusual, in that it requires traffic to briefly drive on the opposite side of the road from what is customary for the jurisdiction.

At-Grade Intersections

(TODO: add zoomed in pic of one of the at-grade intersections)

At the two