Major highway corridors of North America
By: Portland Cement Association
Publisher: The Association
Published: 1968
Place of publication: Skokie, Ill
Language: eng
Number of pages: 20
Notes: Cover title.

"...the firm of Wilbur Smith and Associates....performed the tasks of simulating existing traffic flows and making traffic forecasts....and contributed to and reviewed drafts of the final report."

Pocket map entitled "The inter-metropolitan area highway network."