IDOT, Region 5, District 8

I-270 over Mississippi River Phase II

MoDOT, St. Louis District

Riverview Drive / I-270 Interchange Reconstruction

City of O'Fallon, Illinois

Porter-Simmons Roundabout

IDOT, Region 5, District 8

Illinois Route 3 Improvements

City of St. Peters, Missouri

Salt River Road Extension

Missouri Department of Transportation

Four Bridges over I-64