Iowa Department of Transportation Highway 218 Road Reconstruction | Black Hawk County, Iowa

CGA provided Construction Survey and Profile Design for an Iowa Department of Transportation (IDOT) $4.1 million road reconstruction project along Highway 57/218 in Black Hawk County. The reconstruction was located near the Highway 27 interchange in Cedar Falls, Iowa. Owen Contracting, Inc. crews removed and replaced 5 lanes of pavement plus a double exit ramp…

Traffic Studies

New developments or changes in the use of an existing site can have an impact on traffic volumes and patterns on adjacent streets and highways.  These impacts can require intersection controls, additional lanes, or specified turn lanes to be installed prior to the development being approved and completed.  Jurisdictions (cities, counties, or the Iowa DOT)…

Lillian Avenue Reconstruction | Conrad

CGA completed street reconstruction on five blocks of city street in Conrad Iowa to accommodate a new residential development on the city’s north side. The project design included an on-street bike lane, storm sewer reconstruction, reconstruction of 17 existing residential driveways, reconstruction of five intersections, design of ten new residential driveways; design of one new…

UnityPoint Hospital (formerly Marshalltown Medical & Surgical Center)

The CGA team designed site improvements and administered construction for a new hospital on the south side of Marshalltown. The project was built in two construction packages over a 15-month period. Our team successfully presented cost-effective solutions for challenging soils and worked side-by-side the Geotechnical Engineer and contractor during construction to provide a subgrade bridging…

Prairie Parkway Traffic Engineering Study | Cedar Falls

CGA was hired by the City of Cedar Falls to perform traffic projection reviews, analyze signalization versus roundabouts at key intersections, and recommend access management alternatives along the corridor. CGA met with key stakeholders and developers along the corridor to understand their future plans so that win-win solutions could be achieved. The result was a…