Age effects on symbol sign recognition
By: prepared for Federal Highway Administration, Offices of Research & Development, Traffic Systems Division.
Contributors: United States. Federal Highway Administration. Traffic Systems Division.; Systems Technology, inc.
Publisher: The Division; National Technical Information Service [distributor
Published: 1980
Place of publication: Washington, D.C; Springfield, Va
Language: eng
Number of pages: 115
Subjects: Visual perception -- Testing.; Automobile drivers -- United States.; Visually handicapped aged -- United States.; Traffic signs and signals -- United States.
Notes: Cover title.

"Systems Technology, Inc."--1st prelim. p.

"Final report."

"December 1980."

Contract no. DOT-FH-11-9497.

"Report no. FHWA/RD-80/126."

Includes bibliographical references.