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  1. Chapter 4: Ramps and Curb Ramps - United States Access Board

  2. ADA Ramp - ADA Compliance

  3. Chapter 4: Accessible Routes - United States Access Board

  4. ADA Resources | FHWA - Federal Highway Administration

  5. DOJ/DOT on Requirements to Provide Curb Ramps when Streets ... - ADA

  6. Chapter 6 Curb Ramps and Pedestrian Crossings Under Title II of the ADA