Roadway design system
Subtitle: user manual
By: U.S. Dept. of Transportation, Federal Highway Administration.
Contributors: United States. Federal Highway Administration.
Publisher: The Administration
Published: 1982
Place of publication: [Washington, D.C.]
Language: eng
Subjects: Roads -- United States -- Design and construction -- Data processing.; Computer graphics.
Notes: Cover title.

"April 1982."

"Demonstration projects program."

"FHWA-DP-30-2"--Vol. 1.

"FHWA-DP-30-3"--Vol. 2.