Nossaman LLP

Simon J. Santiago


T 202.887.1472
F 202.466.3215
1666 K Street, NW, Suite 500
Washington, DC 20006

Simon Santiago leads the East coast operations of Nossaman's Infrastructure Practice Group and specializes in the field of infrastructure development, procurement and construction law.  He represents public sector clients using innovative financing, delivery and procurement methods, including public-private partnerships, to develop large-scale transportation, transit and multi-modal infrastructure projects.

Given his prior construction litigation experience, Mr. Santiago has the unique ability to develop procurement strategies and contracts that reduce the potential risk for his clients.  His active involvement in construction industry trade groups and organizations enables him to provide advice that reflects industry best practices and current market trends.

Representative Work

Virginia Department of Transportation – Midtown Tunnel Project.  Lead attorney on the procurement of a public-private partnership to develop the Downtown Tunnel/Midtown Tunnel/MLK Freeway Extension project in Norfolk and Portsmouth, Virginia.  The $2.1 billon project is comprised of a new two-lane tunnel adjacent to the existing Midtown Tunnel, maintenance and safety improvements to the existing Midtown and Downtown Tunnels, and extension of the MLK Freeway to Interstate 264.  The project reached financial close in April 2012 and will involve tolling on the existing and newly-constructed assets.

Florida Department of Transportation – I-595 Corridor Improvements Project.  Member of the team that advised on Florida's first highway public-private partnership transportation project, a $1.8 billion project to add 10.5 miles of reversible express toll lanes to an existing interstate in the Fort Lauderdale area.  The project reached financial close in October 2009 and was the first project in the U.S. transportation sector to use an availability payment compensation structure.

Virginia Department of Rail and Public Transportation – Dulles Corridor Metrorail Project Phase 1.  Co-lead attorney that represented the Department in contract negotiations for the design and construction of Phase 1 of the Dulles Corridor Metrorail Project.  The approximately $2.3 billion project will extend the Metrorail from East Falls Church through Tysons Corner to Wiehle Avenue in Fairfax County.  The design-build contract was executed in March 2007, and Phase 1 is scheduled to open in late 2013.

Metropolitan Washington Airports Authority – Dulles Rail Corridor Metrorail Phase 2.  Member of the team representing the Authority in the procurement of the design and construction of Phase 2 of the Dulles Corridor Metrorail Project.  The anticipated project cost is between $1.4 and 1.6 billion, and will include the design and construction of 6 stations starting at Wiehle Avenue in Fairfax County and ending in Loudoun County.

Georgia Department of Transportation – PPP Program/Northwest Corridor Project.  Appointed as special assistant attorney general to assist in developing and implementing the Department's public-private partnership program.  Responsibilities include providing advice on governing rules and guidelines, project selection and screening, and procurement documents.  Currently advising the Department on the procurement of a design-build-finance contract for the approximately $900 million Northwest Corridor project in the Atlanta area.

North Carolina Department of Transportation – PPP Program/I-77 HOT Lanes Project.  Co-lead attorney advising the Department on legislative and regulatory issues related to its public-private partnership program.  Currently representing the Department on the procurement of the $600 million I-77 HOT Lanes Project in the Charlotte region.  The project is a toll concession involving the addition and expansion of HOT lanes along the I-77 corridor.   

Maryland Transit Administration.  Co-lead attorney for the team serving as lead outside legal advisor for MTA's public-private partnership program.  Currently assisting in (1) the evaluation and potential development of PPP approaches to major public transit initiatives, including the proposed Red Line, the Purple Line, and the Corridor Cities Transitway (CCT) and (2) the development of policies, regulations, procedures, and/or legislation required to implement public transit and other transportation initiatives as public-private partnerships in the State of Maryland.

Pennsylvania Turnpike Commission – All Electronic Tolling Legislative Advice.  Member of the team that advised the Commission on legislation to accommodate all electronic tolling.  Work included creating a 50-state survey and summary of toll enforcement and collection laws.

Port Authority of New York and New Jersey – All Electronic Tolling Legislative Reports.  Lead attorney for the team that advised the Authority on state and federal law affecting the implementation of all electronic tolling on the Authority's facilities.  Work included addressing driver privacy issues, recommending legislative changes for toll enforcement and collection, and analyzing federal solutions for interstate cooperation and interoperability of toll systems.

District of Columbia Department of Transportation – Innovative Financing and Program Delivery Report.   Co-lead attorney that assisted the Department's efforts to identify, assess and implement innovative financing options to fund more than $2.4 billion worth of capital improvement projects.  Work included evaluating federal transportation programs, local financing and procurement laws and innovative project delivery strategies.  

Awards & Honors

Named a 2014 Washington DC "Super Lawyer" in the area of Transportation/Maritime Law by Washington Lawyer magazine.
Bio Photo
Bio Photo



J.D., Washington College of Law at American University, 1996, magna cum laude; Notes and Comments Editor, American University Law Review

B.A., University of Illinois, 1993


District of Columbia



United States District Court, Eastern District of Virginia  

United States Court of Federal Claims

United States Court of Appeals, Fourth Circuit

Professional Affiliations

American Bar Association: Public Law Section; Forum on the Construction Industry

American Road and Transportation Builders Association: Public-Private Partnership Division: Board of Directors

District of Columbia Bar Association, Government Contracts and Litigation Section

Virginia State Bar Association, Construction and Public Contract Law Section

Maryland State Bar Association

Awards & Honors

Named a 2014 Washington DC "Super Lawyer" in the area of Transportation/Maritime Law by Washington Lawyer magazine.
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