Stevenson Expressway (I-55) Managed-Lane Value Engineering Study (VES)
As part of a multidisciplinary value engineering team, TranSmart provided expertise in traffic engineering and ITS operations and infrastructure—specifically managed lanes / electronic toll collection and active traffic management for the proposed additional capacity and improved transportation services work along I-55 (I-355 to I-90/94). The proposed project would add an additional managed lane in each direction by converting the existing, paved median areas and widening into the existing, grassed median areas along I-55. The study included:
Evaluation of plan sheets—typical sections, sequence of operations, bridge condition report, and abbreviated project report
Evaluation of FHWA cost estimate review
Evaluation of constructability issues
Development of feasible alternatives and quantify impacts and cost
Upon completion of the study, a report with supporting documentation was prepared and included recommendations and techniques for consideration to reduce costs (approx. $23 million) and improve the overall project value.
Illinois Department of Transportation (IDOT)