This site was researched and written by Zachary M. Schrag, author of The Great Society Subway: A History of the Washington Metro (The Johns Hopkins University Press, 2006).

Research was financed by a grant from the Alfred P. Sloan Foundation, administered by the American Society of Civil Engineers. Design assistance came from Dan Cohen, Roy Rosenzweig, and Jim Sparrow of George Mason University's Center for History & New Media. The site was first launched in May 2001.

Images came primarily from the following institutions:

Additional images came from the U.S. Commission of Fine Arts, AECOM Consulting Transportation Group, the Metropolitan Washington Airports Authority, and Stanley Allan. Photographs labeled ZMS were taken by Zachary M. Schrag.

Special thanks are owed to Leona Agouridis, Murray Bond, and Phil Portlock at the Washington Metropolitan Area Transit Authority; Matthew Cook, Jessica Meyer and Steve Peters at the Chicago Historical Society; Matthew Gilmore and Faye Haskins at the D.C. Public Library; Bernadette Boucher, La Nina Clayton, and Francine Henderson at George Washington University; Stanley Allan, Jim Torvik, and Silvia Valdez at Harry Weese Associates; Charles Atherton at the Commission of Fine Arts, Robert Peskin at AECOM, and Tom Sullivan at the Metropolitan Washington Airports Authority.

For more information on Metro's history see Washington Metropolitan Area Transit Authority, Metro at 25: Celebrating the Past, Building the Future (2001), and the authority's "Capsule History of WMATA."

If you have comments or questions about the site, please e-mail Zachary Schrag at zschrag (at) gmu.edu.