Why does WisDOT say the diverging diamond design will improve traffic and safety at the Brown Deer Road interchange? While the old cloverleaf interchange may look simpler, the new DDI design will ...

It describes the work as a transformation of the former partial cloverleaf interchange to a "tight diamond configuration." "The redesign of the I-75/U.S. 301 interchange will not only handle the ...

The diverging diamond interchange, or DDI, is part of WisDOT's larger I-43 ... Previously, the interchange was what's known as a cloverleaf configuration, where a series of loops and ramps guide ...