Detectable warning surfaces: color, contrast, and reflectance.

Federal Transit Administration, Washington, D.C.

Detectable warnings: testing and performance evaluation at transit stations. Final report.

Federal Transit Administration, Washington, D.C.

Tactile warnings to promote safety in the vicinity of transit platform edges. Final report.

Urban Mass Transportation Administration, Washington, D.C.

Driver visual limitations diagnosis and treatment. Final report.

National Highway Traffic Safety Administration, Washington, D.C.