Prairie Engineers of Illinois, P.C. provided land surveying services to support Americans with Disabilities Act (ADA) accessibility improvements in Galesburg, Illinois for the Illinois Department of Transportation (IDOT). The subject roadway intersection involved in this project was Farnham Street and Grand Avenue, which included high traffic volumes converging at a skewed intersection angle.
Prairie Engineers surveying services included right of way topographical surveys and base map deliverables complying with IDOT CADD standards.
The Galesburg intersection topographic survey was used to determine the existing deficiencies in ADA accessibility and redesign these areas to meet current ADA and Public Right-Of-Way Accessibility Guidelines (PROWAG). Data for all above ground features were collected in the topographic survey including pavements, buildings, above ground utilities, traffic signal features, pavement markings, and a comprehensive representation of vertical variations along the existing pedestrian pathway.
This survey was a task order on an indefinite land surveying delivery contract with the Illinois Department of Transportation, District 4 (Peoria) and was performed as a subconsultant to Millenia Professional Services