This series includes correspondence, memoranda, reports, meeting minutes, clippings, and press releases related to the activities of ECTC and similar local organizations throughout the country. Of particular significance are records of the National Committee on the Transportation Crisis, the national organization that grew out of local freeway fights. Files cover the work of organizations in cities such as Boston, Philadelphia, Pittsburgh, Nashville, and Phoenix. Other topics and organizations found in the series include the Citizens Planning Coalition of D.C., the Brookland Area Coordinating Council, the Washington Planning Council, the Washington Lay Association, and the Upper Northeast Coordinating Council.