Innovative interchange design

WisDOT considers the use of a variety of interchange options at key highway interchanges across the state, using innovative designs to move large volumes of traffic through limited amounts of space safely and efficiently.

Diverging Diamond Interchange (DDI) 
Echelon Interchange 
Single Point Interchange (SPI) 

Rodney Taylor
WisDOT Roadway Design Standards Supervisor
(608) 261-8207