Just going to post what they say about Transportation here, but you can read (skim) though it all if you are interested.
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e. Transportation
Interstate Commerce Commission Termination Act, Pub. L. No. 104-88, 109 Stat. 803. This act dissolved the Interstate Commerce Commission (ICC) which, until 1976, exercised regulatory control over entry, rates, routings, classifications, intercarrier mergers, and collective ratemaking activities, which the ICC could approve and immunize from antitrust exposure. Its few remaining functions were transferred to the Surface Transportation Board within the Department of Transportation, and the Secretary of Transportation. Although most of the areas formerly under the ICC's jurisdiction are now deregulated, very limited antitrust immunity is still available in some of these areas. See, e.g., Railroad Revitalization and Regulatory Reform Act of 1976 (4R Act), 45 U.S.C. §§ 801-836.
Airlines. Under the Federal Aviation Act of 1958, the Civil Aeronautics Board (CAB) exercised extensive regulatory control over entry, fares, mergers, interlocking directorates, and agreements among air carriers until 1978. In 1978, Congress passed the Airline Deregulation Act of 1978, Pub. L. No. 95-504, 92 Stat. 1705, which phased out CAB and many of its functions. The Division now reviews domestic airline mergers, acquisitions, and interlocking directorates under the antitrust laws as it does in other industries. The Department of Transportation approves and may grant antitrust immunity to agreements between U.S. and foreign carriers.
Shipping Act of 1984, 46 U.S.C. app. §§ 1701-19. This act provides
that tariffs filed by international ocean shipping conferences and other agreements among carriers engaged in international ocean shipping are immunized from
the operation of the antitrust laws if filed with the Federal Maritime Commission.
http://www.usdoj.gov/atr/...manual/chapter2.htm#_1_47
