Add Yahoo as a preferred source to see more of our stories on Google. Reader question: Do diverging diamond interchanges cost less to build than traditional diamond interchanges or roundabouts? Are ...

A busy Lee County interchange is taking the first steps toward much-needed relief. A diverging diamond interchange is coming to the I-75 interchange at Daniels Parkway in Fort Myers. Preliminary work ...

This 2009 Post-Dispatch file graphic shows the double-diamond interchange in Maryland Heights, which was first of its kind in the St. Louis area. In this configuration, Dorsett Road traffic shifts as ...

Reader question: Do diverging diamond interchanges cost less to build than traditional diamond interchanges or roundabouts? Are they safer than roundabouts? Why change from roundabouts? Next year ...