Detectable Warning and Curb Ramp Resources

Detectable Warning and Curb Ramp Resources

Detailed information and background:

Bentzen, B.L., Barlow, J.M. & Tabor, L.S. (2000). Detectable Warnings: Synthesis of U.S. and International Practice. Washington, D.C.: U.S. Access Board. Available in html and pdf or as a free print document by calling USA ABLE (800-872-2253) and requesting it by name.

ADAAG Requirements for Detectable Warnings from The Access Board
FHWA Memo on ADAAG Detectable Warnings (Truncated Domes)

Other resources:

Barlow, J. & Bentzen, B.L. (1994). Cues blind travelers use to detect streets. Final report. Cambridge, MA: U.S. Department of Transportation, Federal Transit Administration, Volpe National Transportation Systems Center.

Bentzen, B.L., Nolin, T.L. & Easton, R.D. (1994a). Detectable warning surfaces: Color, contrast and reflectanceCambridge, MA: U.S. Department of Transportation, Federal Transit Administration, Volpe National Transportation Systems Center. Report No. VNTSC-DTRS-57-93-P-80546.

Bentzen, B.L., Nolin, T.L., Easton, R.D., Desmarais, L. & Mitchell, P.A. (1994b). Detectable warnings: Safety & negotiability on slopes for persons who are physically impaired. Washington, DC: Federal Transit Administration and Project ACTION of the National Easter Seal Society.

Bentzen, B.L.; Nolin, T.L.; Easton, R.D.;Desmarais, L. & Mitchell, P.A. (1994). Detectable warning surfaces: Detectability by individuals with visual impairments, and safety and negotiability for individuals with physical impairments.  Final report DOT-VNTSC-FTA-94-4 and FTA-MA-06-0201-94-2. U. S. Department of Transportation, Federal Transit Administration, Volpe National Transportation Systems Center, and Project ACTION, National Easter Seal Society.

Bentzen, B.L. & Barlow, J.M. (1995). Impact of curb ramps on safety of persons who are blind. Journal of Visual Impairment and Blindness, 89, 319-328.

Hauger, J, Rigby, J, Safewright, M. & McAuley, W. (1996). Detectable warning surfaces at curb ramps. Journal of Visual Impairments and Blindness 90:512-525.

Hauger, J.S., Safewright, M.P., Rigby, J.C. & McAuley, W.J. (1994).Detectable warnings project: Report of field tests and observations. Final Report to U.S. Architectural and Transportation Barriers Compliance Board. Blacksburg, VA: Virginia Polytechnic Institute and State University.

Report of fundamental research on standardization relating to tactile tiles for guiding the visually impaired: Aiming at standardization of patterns. (Study of the relationship between individual patterns and ease of recognition. (1998). Japan: Ministry of International Trade and Industry, National Institute for Technology and Evaluation.

Accessible Rights-of-Way: A Design Guide. (1999). Washington, D.C.: U.S. Architectural and Transportation Barriers Compliance Board.

Building a True Community: Report of the Pubic Rights of Way Access Advisory Committee. (2001) U.S. Architectural and Transportation Barriers Compliance Board.