36 CFR Part 1190, Proposed Accessibility Guidelines for Pedestrian Facilities in the Public Right-of-Way: Notice of Proposed Rulemaking (NPRM)
Costs to Provide Detectable Warning Surfaces on Curb Ramps (Section-by-Section Analysis)
Detectable warning surfaces are available in a variety of materials. The Volpe Center gathered data from local transportation departments and vendors on various detectable warning materials and estimated the costs of 8 square feet of the materials for a typical curb ramp as shown in the table below. The estimates do not include installation costs.
| Detectable Warning Surfaces | Materials Costs for Typical Curb Ramp |
| Concrete pavers | $48 to $80 |
| Brick pavers | $128 |
| Polymer and composite materials | $120 to $200 |
| Stainless steel or cast iron products | $240 |
Question 8. The Access Board seeks additional information on the costs for detectable warning materials (8 square feet) and installation of the materials on a typical curb ramp.
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