Feasibility of a grade severity rating system
By: prepared for Federal Highway Administration, Offices of Research & Development Division, Environmental Division.
Contributors: United States. Federal Highway Administration. Environmental Division.
Publisher: The Administration; Available to the public through the National Technical Information Service
Published: 1980
Place of publication: Washington, D.C; Springfield, Va
Language: eng
Subjects: Roads -- United States -- Subgrades.
Notes: Cover title.

"Final report."

"August 1980."

"Report no. FHWA-RD-79-116."

Includes bibliographical references.