CLIENTS: TranSystems Corp.; Connecticut DOT
The I-84 Hartford corridor replacement study (www.i84hartford.com) has been described by ENR as the highest dollar value project currently in planning and design in the USA. RDV was initially engaged to provide a model of the 3 mile corridor showing existing conditions only, with VISSIM traffic simulation superimposed on the 3D model. This model was used in the initial NEPA public hearing in January 2015.
In April 2015 RDV enhanced the model to show preliminary conceptual designs for three different proposals for the Western portion of the project, and four proposals for the Eastern portion which include replacement of the existing facility with an elevated highway, a surface highway, and a tunnelled highway. There were also several variations for the alignment, profile, and interchange configurations.
This second model was developed and delivered in less than three weeks, and was used for a week-long design charrette held in downtown Hartford from April 27 – May 2. The model was used in several formal presentations, and numerous ad hoc demonstrations of the different proposals throughout the open house event.
The I-84 Hartford virtual model continues to be updated as the design proposals are refined.
-CONNECTICUT DOT
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