Projects | Archaeology | Dulles Metrorail Effects Consultation

Dulles Metrorail Effects Consultation

The Dulles Corridor Metrorail Project includes extension of MetroRail service from the West Falls Church Metro Station to Dulles Airport and Loudoun County. Initially covered under a 2004 EIS, DCMP’s Section 106 process culminated with a Memorandum of Agreement in 2004. Subsequently, design refinements occurred affecting the location and extent of impacts upon historic resources documented in the MOA.


Gray & Pape provided cultural resources support to the Dulles Rail Consultant team addressing those changes. Our work included reviewing cultural resource project record including:


  • the 2004 FAA Record of Decision
  • 2006 Amended ROD
  • 2004 Final Environmental Impact Statement and Section 4f report
  • August 2003 Cultural Resources Technical Report Phase Ia
  • April 2004 Identification and Evaluation Report – Historic Architecture
  • August 2010 working draft of the Determination of Effects
  • EIS Technical Reports, the 2004 MOA, current design refinements, and the proposed aerial alignment at the Dulles Terminal

Additional work included:


  • Field visits to capture the context and intensity of DCMP with respect to the historic resources under consideration.
  • Investigating and advising on Phase 2 design refinements for proposed changes in the Dulles Airport approach and station that entailed moving from a tunnel alternative to an aerial alternative.
  • Attending consultation meetings with the SHPO, the Advisory Council on Historic Preservation, and related consulting parties.
  • Assisting with revisions to the Determination of Effects report.
  • Advising on appropriate strategies for consultation.
  • Assuming a lead role in preparing amendments to the 2004 MOA.
  • Advising on mitigation strategies to address adverse effects along the Phase 2 corridor, as well as those associated with the aerial alternative at the Dulles terminal.
  • Providing presentation materials, including text, graphics, and tables to support the MWAA as they advanced and concluded the Section 106 process and executed an amended MOA.
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