The $71.4-million Deep Rock Connector Tunnel Project is part of a new 28-mile network of 189-ft-dia deep tunnels designed to eliminate combined sewage overflows that have plagued Indianapolis neighborhoods during heavy rains.

The new OARS 20-ft-diameter, 23,300-ft-long tunnel provides wet weather relief downtown Columbus’ main sewer.

New swales, detention ponds, and hydrodynamic separators were designed and constructed to reduce rainwater runoff to the Huron River.

The FRIB is a research area on the campus of Michigan State, part of the Office of Nuclear Physics in the U.S. Dept. of Energy Office of Science.

The new 3.2-mile Route 53 includes Minnesota’s tallest bridge that's 200 ft above an inactive mine pit used for drinking water.