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I-495 & I-270 Public-Private Partnership (P3) Program/Managed Lanes Study

Location: Fairfax County, VA, & Montgomery County, MD

Client: Maryland State Highway Administration (SHA)

Services: P3 Program Management, Air Quality, Noise Policy, Environmental Justice, Equity, 

Blackwater is responsible for oversight and management of the environmental program and I-495 & I-270 Managed Lanes NEPA Study for the Office of Public-Private Partnership (OP3) on behalf of the Maryland Department of Transportation State Highway Administration (MDOT SHA). The purpose of the Study is to develop a travel demand management solution that addresses congestion, improves trip reliability, and enhances multimodal mobility and connectivity.


In this leadership role, Blackwater has the responsibility of overseeing the largest NEPA study in Maryland’s history, on an accelerated schedule, which includes development of Draft, Supplemental, and Final Environmental Impact Statements and Draft/Final Section 4(f) Evaluations covering 48 miles of Maryland’s interstate system. Blackwater duties include managing all aspects of the NEPA/EIS process including agency coordination, public and stakeholder engagement, technical studies, environmental impact analysis, and environmental documentation. In addition, Blackwater staff act as technical leads for the noise, air quality and mitigation efforts for the study and program.  Blackwater also served as Senior Advisor on the I-270 North Pre-NEPA Study under the P3 Program.

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