A National Implementation Panel for Detectable Warnings

Bentzen B.L. , Nolin T.L. , & Easton R.D. (1994). Detectable warning surfaces: Color, contrast, and reflectance. Cambridge, MA: Volpe National Transportation Systems Center, U.S. Department of Transportation. Final Report, Report No. DOT-VNTSC-FTA-94-5.

Bentzen B.L. , Nolin T.L. , Easton R.D. , Desmarais L. , & Mitchell P.A. (1994). Detectable warnings: Detectability by individuals with visual impairments, and safety and negotiability on slopes for persons with physical impairments. Cambridge, MA: Volpe National Transportation Systems Center, U.S. Department of Transportation. Final Report, Report No. DOT-VNTSC-FTA-94–4.

Joffee E. , Rosner R. , & Kirchner C. (1993). Detectable warnings: A national information collection effort (NICE). Gopher.afb.org 5005.

Joffee E. (1994). The Detectable Warnings Implementation Document. Gopher.afb.org 5005.

Ketola H. N. , & Chia D. (1994). Detectable warnings: Testing and performance evaluation at transit systems. Cambridge, MA: Volpe National Transportation Systems Center, U.S. Department of Transportation. Final Report, Report No. DOT-VNTSC-FTA-94-9.