Although the station was modified many times since opening in 1898, Government Center Station lacked accessibility. The Improvements Project includes installing new elevators from the surface to the Green and Blue Line levels, renovating...
Led by the Chicago Department of Transportation, the Union Station Transit Center project creates an off-street Chicago Transit Authority (CTA) bus terminal adjacent to Chicago’s bustling Union Station. The transit center allows commuter...
SGH served as a special consultant to Metropolitan Transit Authority (MTA) Capital Construction to help them with concrete and waterproofing issues at their facilities. As part of our work, SGH investigated widespread cracking and water leakage...
Carrying about 360,000 commuters every day, Bay Area Rapid Transit (BART) is an important part of the region’s transportation infrastructure. Knowing that the transit system could experience a major earthquake, BART initiated the...
Providing passenger service to the region since 1926, Sacramento Valley Station, formerly Southern Pacific Railroad Depot, is listed on national, state, and local historic registers. SGH performed seismic/structural and facade assessments...
The Massachusetts Bay Transportation Authority (MBTA) uses the Quincy Bus Garage to repair, maintain, and store many buses that they own and operate. The building includes three garage bays, offices, and locker facilities for the bus...
Constructed between 1903 and 1913 and listed on the National Register of Historic Places, Grand Central Terminal is a monumental Beaux-Arts Neo-Classical building designed by Warren & Wetmore. As part of a major renovation, SGH...
As part of the renovations to the Massachusetts Bay Transportation Authority’s (MBTA) Bunker Hill Community College Orange Line Station, the contractor needed to install new slide bearings under an interior support for the multi-span...
The structure for the Massachusetts Bay Transportation Authority (MBTA) Charles Street/MGH Station included a 1914 riveted steel, through-girder viaduct that carries two tracks of the MBTA’s Red Line transit system. As part of the...
Replacing a 108-year-old streetcar barn, the 100th Street Bus Depot opened in 2003. Shortly after construction, the elevated concrete floor slabs cracked. The contractor attempted to repair the 280,000 sq ft of elevated decks and ramps, but...