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)…

Grinnell College Landscape Master Plan | Phase I

CGA partnered with ASG and Confluence Landscape Architects to redesign the exterior facilities on the Grinnell College Campus. The Phase I design began in 2016 with construction beginning in 2017 and scheduled to continue through 2019 in conjunction with a new Admissions and Visitors Center and a 1-acre building addition connecting two historic buildings on…