Comparative evaluation of visual distress signals /

Performed by Naval Weapons Support Center, Applied Sciences Department.

Test data for comparative evaluation of three visual distress signals /

Chiefly tables and diagrams.

Detectable warnings: detectability by individuals with visual impairments, and safety and negotiability on slopes for persons with physical impairments. Final report.

Federal Transit Administration, Washington, D.C.

Human factors requirements for real-time motorist information displays. Volume 4: bibliography and selected annotations: visual systems. Final report.

Federal Highway Administration, Office of Research, Washington, D.C.