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WMATA Andrews Federal Center Bus Garage

In 2013, Washington Metropolitan Area Transit Authority (WMATA), in coordination with the District of Columbia, proposed to replace the bus operations and maintenance facility, and heavy repair and overhaul facility housed on the existing Bladensburg site with new facilities to be located on the Andrews Federal Campus.


WSP USA was retained by WMATA to provide assistance with site verification, programming, schematic design and cost estimating for WMATA’s new heavy repair and bus maintenance facilities. Our services began in 2013 and are scheduled for completion in 2017.

The proposed new bus operations and maintenance facility was designed to include space for bus maintenance, operations, fuel & wash, fleet parking, and employee/visitor parking sized for a fleet of 175 transit vehicles (140 standard coaches and 35 articulated coaches). The facility was designed to operate 24 hours a day, 7 days a week.

The heavy repair & overhaul facility includes bus rehab bays and support spaces, body repair and paint areas, a central warehouse, non-revenue and support vehicle maintenance, bus engineering, and employee/visitor parking sized to service WMATA’s projected 1,600-vehicle fleet and operate 8 hours a day, 5 days a week. The facility was designed with flexibility to add more shifts in the event that WMATA’s fleet grew past the projected 1,600 vehicles.

We designed multiple options for laying out both facilities on the site, including options with fully separate facilities and options where the facilities were joined in one building. In the single building facility which was selected by WMATA, the warehouse space was designed to be shared to maximize the efficiency of the site.

The 293,000–square foot, 91-bay joint facility was designed to accommodate WMATA’s current usage of clean diesel technology as well as service compressed natural gas and hybrid electric diesel buses.