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I-225 / Colfax Interchange


City of Aurora, Colorado

  • Preliminary and final design of a split diamond interchange to meet growing traffic volumes and enhance operations at the site of the new development of the Fitzsimons medical campus along Colfax Avenue
  • Design services included roadway, structures (bridge over I-225 and 17th Place Viaduct over Toll Gate Creek and Potomac Street), hydraulic, and traffic signal design; utility relocation; construction phasing and traffic control; signing and striping
  • FHU also completed the interchange feasibility study and managed the NEPA process from Environmental Assessment to Finding of No Significant Impact
  • Design completed in less than one year