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USH 18, CTH ID INTERCHANGE

USH 18, CTH ID INTERCHANGE

USH 18, CTH ID interchange project was performed within Dodgeville - Mt. Horeb in Iowa County.

Construction management services were for the $9.5 million rural interchange construction project on USH 18.  This 1.89 mile project consisted of the construction of a new diamond interchange on USH 18.  The construction included a new diamond interchange, the construction of 4.5 miles of frontage road, one mile of bike path, a roundabout and structures B-25-173,174 & 175.  This project was constructed in stages with 3 traffic switches over two construction seasons.  Major items of work include Structures B-25-173, 174, 175, removals, excavation common, excavation rock excavation, base aggregate, concrete pavement, HMA pavement, roundabout, culvert pipe, curb and gutter, storm sewer, concrete barrier, beam guard, pavement marking, landscaping items and signing.

Project Deliverables: 

  • Bicylce Path
  • Lighting
  • Excavation
  • New Roundabout
  • Signing & Pavement Marking
  • Traffic Staging