Department of Transportation and Related Agencies Appropriations Act, 2003

Department of Transportation and Related Agencies Appropriations Act, 2003 - Makes appropriations for FY 2003 for: (1) the Office of the Secretary of Transportation; (2) the Transportation Security Administration; (3) Coast Guard; (4) the Federal Aviation Administration; (5) the Federal Highway Administration; (6) the Federal Motor Carrier Safety Administration; (7) the National Highway Traffic Safety Administration; (8) the Federal Railroad Administration; (9) the Federal Transit Administration; (10) the Saint Lawrence Seaway Development Corporation; (11) the Research and Special Programs Administration; (12) the Office of Inspector General; (13) the Surface Transportation Board; (14) the Architectural and Transportation Barriers Compliance Board; and (15) the National Transportation Safety Board.

Sets forth specified prohibitions, limitations, permissions, and mandates with respect to the use of appropriations under this Act identical or similar to those enacted in the Department of Transportation and Related Agencies Appropriations Act, 2002 (P.L. 107-87), as well as new ones.