Yes. A tactile sign is required next to each door inside a stairwell. THis ADA compliant sign must identify the floor level and stair well. Many local fire codes require a visual-compliant minimum sign size of 18 inches high by 12 inches wide for each floor in all stairwells identifying floor level, stair level, roof access, and level of exit. Depending on building type and state code, these signs may be required to be photoluminescent. Local ordinances override federal, please verify with your municipality.