Durability of truncated dome warnings on existing curb ramps
Subtitle: final report
By: by Alan R. Kirk for Oregon Dept. of Transportation, Research Unit and Federal Highway Administration.
Contributors: Oregon. Dept. of Transportation. Research Unit.; United States. Federal Highway Administration.
Publisher: Oregon Dept. of Transportation
Published: 2004
Place of publication: Salem, OR
Language: eng
Number of pages: 19
Subjects: Sidewalks -- Oregon -- Safety measures -- Evaluation.; Pedestrian areas -- Oregon -- Safety measures -- Evaluation.; Barrier-free design for people with visual disabilities -- Oregon -- Evaluation.; Transportation markings -- Oregon -- Evaluation.
Notes: "SPR-304-241."

"December 2004."

"Report no. FHWA-OR-RD-05-06"--Documentation page.

Includes bibliographical references (p. 19).

Also available on the agency website.