Except as otherwise provided in this part, the Department of Transportation adopts the Office of Management and Budget Uniform Administrative Requirements, Cost Principles, and Audit Requirements for Federal Awards (2 CFR part 200). This part supersedes and repeals the requirements of the Department of Transportation Common Rules (49 CFR part 18—Uniform Administrative Requirements for Grants and Cooperative Agreements to State and Local Governments and 49 CFR part 19—Uniform Administrative Requirements—Uniform Administrative Requirements for Grants and Agreements with Institutions of Higher Education, Hospitals, and other Non-Profit Organizations), except that grants and cooperative agreements executed prior to December 26, 2014 shall continue to be subject to 49 CFR parts 18 and 19 as in effect on the date of such grants or agreements. New parts with terminology specific to the Department of Transportation follow.