Most of the photos on this site were extracted from reference images (high-resolution tiffs, 20 to 200 megabytes in size) from the Library of Congress research archive. (To query the database click here.) Many were digitized by LOC contractors using a Sinar studio back. They are adjusted by your webmaster for contrast and color in Photoshop before being downsized and turned into the jpegs you see here.
Vintage photos of:
The conferees representing the highway commissions of several States, who met in this city during the present week under the auspices of the Joint Board of State and Federal Highways, reached a wise decision when they agreed to create a group of interstate roads to be known as United States highways . . .-- Washington Post editorial, April 25, 1925
Washington, D.C., 1925. "No caption (man with highway signs)." Early waypoints on the road to uniform route designations and the standardization of highway signs. Harris & Ewing Collection glass negative. View full size.