49 CFR Part 27 - Nondiscrimination on the Basis of Disability in Programs or Activities Receiving Federal Financial Assistance (with amendments issued through Aug. 2015)

(b) Existing facilities—Rest area facilities. Rest area facilities on Interstate highways shall be made accessible to persons with a disability, including wheelchair users, within a three-year period after the effective date of this part. Other rest area facilities shall be made accessible when Federal financial assistance is used to improve the rest area, or when the roadway adjacent to or in the near vicinity of the rest area is constructed, reconstructed or otherwise altered with Federal financial assistance.