New spaces in Arlington and Baltimore support professionals advancing infrastructure of regional and national significance
ARLINGTON, Va. (Sept. 17, 2026) – HNTB is continuing its investment in the Capital Region with expanded offices in Arlington, Virginia and Baltimore, Maryland. The firm recently welcomed clients, partners and employees to open house celebrations at both locations, marking its continued growth and long-term commitment to serving transportation and infrastructure clients throughout Washington, D.C., Virginia and Maryland.
The Arlington office, located at 1812 North Moore Street in Rosslyn, serves as a flagship location for HNTB in the Capital Region. The expanded Baltimore office, located at 621 East Pratt Street in the Inner Harbor, strengthens HNTB’s presence in Maryland and enhances the firm’s ability to service clients across the state and Mid-Atlantic region. Together, the two offices bring multidisciplinary expertise in transportation, mobility, infrastructure investment and public-sector advisory services, providing clients with seamless access to local knowledge and regional resources.
“As infrastructure needs across the Capital Region continue to evolve, HNTB is making strategic investments that prepare our team for the future,” said Mike Voinis, PE, HNTB Capital Region office leader and senior vice president. “Our new locations give our professionals the tools, space and environment to continue advancing meaningful projects that improve mobility, strengthen communities and support economic growth.”
HNTB’s regional portfolio includes some of the area’s most significant infrastructure programs and projects, including Arlington National Cemetery, Theodore Roosevelt Bridge, Maryland’s Light Rail Modernization Program and I-95 Express Lanes Fredericksburg Extension, among others.
“The Capital Region is a nationally significant market where infrastructure, public policy and economic opportunity intersect,” said Bryan Jones, HNTB Mid-Atlantic Division president and senior vice president. “HNTB’s work here draws on relationships and expertise from across the firm to address priorities with both regional and national significance.”
HNTB serves transportation and infrastructure clients throughout the region, including the Virginia Department of Transportation, District Department of Transportation, Maryland Department of Transportation, Washington Metropolitan Area Transit Authority, Virginia Passenger Rail Authority, Metropolitan Washington Airports Authority, U.S. Army Corps of Engineers, and numerous others.
Interested candidates are encouraged to visit the HNTB career page for more information on job openings and the benefits of working for HNTB.