数量xi, 513 p. incl. illus. (maps) tables, diagrs. 29 cm.
一般注記"Includes ... a summary report of findings and recommendations prepared by Dr. Ralph J. Watkins, director of the study ... and a series of staff and agency contributions prepared by a group of specialists from both within and without the government."--Letter of transmittal.
Letter of transmittal signed: Owen D. Young, chairman, Advisory Committee for the Transportation Study.
Issued also as House doc. 883, 77th Cong., 2d sess.