Tappan Zee Bridge Replacement

GPI is providing independent quality assurance services for design and construction on this $3.14 billion bridge replacement project of the Tappan Zee Bridge over the Hudson River. More »

Shippensburg University Student Housing

As a part of a design build development team , GPI provided all engineering services for a two phase 1,850 bed student housing project on the campus of Shippensburg University in southwest Pennsylvania. More »

North Bank Pedestrian Bridge at Night in Boston, MA

As part of a joint venture team, GPI served as the lead firm overseeing the design and construction of the 2013 ACEC award winning North Bank Bridge and Park project. More »

First Coast Expressway, Northeast Florida

The First Coast Expressway is a new multi-lane limited access toll facility that will eventually connect Interstate 95 in northern St. Johns County to Interstate 10 in western Duval County. More »

Bayonne Bridge Navigational Clearance Program

GPI is providing construction management services for the $743-million Bayonne Bridge Navigational Clearance Program (BBNCP). More »


Featured Project

Quality Control Services on Green Line Extension Project.

Green Line Extension photo

Green Line Extension

Green Line ExtensionGPI has been selected to provide Independent Quality Control service to the WSK Joint Venture on the Green Line Extension project, just north of Boston, MA. This $1.9-billion project will extend the Green Line from Lechmere Station, north in two spurs, combining for 4.3 miles of new track. The new track will be installed inside of existing Commuter Rail tracks, which will be relocated to accommodate the Green Line Extension. The project also includes construction of 6 new stations as well as relocation of Lechmere Station. Read More.

Project Awards

GPI Rockville proud to be on three winning teams for 2014 IIDA Premiere Awards.

2014 IIDA Premiere Award Winners

Nuclear Energy Institute

The IIDA Premiere Award honors and celebrates outstanding originality and excellence in Interior Design/ Interior Architecture projects internationally. The Rockville Maryland Branch was on the winning team for the Gold and Pinnacle Award for Nuclear Energy Institute along with a Bronze for Spectrum’s design and another Bronze Award for The Motley Fool’s design. See the full announcement.