President Johnson, concerned about the lack of a coordinated transportation system, believed a single department was needed to develop and carry out comprehensive transportation policies and programs across all transportation modes. In 1966, Congress authorized the creation of a cabinet department that would combine major federal transportation responsibilities. This new Department of Transportation (DOT) began full operations on April l, 1967. On that day, the Federal Aviation Agency became one of several modal organizations within DOT and received a new name, the Federal Aviation Administration (FAA). At the same time, CAB's accident investigation function was transferred to the new National Transportation Safety Board