The following 2 entries include the term transportation.

federal executive division responsible for programs and policies relating to transportation. Besides the Federal Aviation Administration (q.v.) and the National Highway Traffic Safety Administration (q.v.), it controls the Federal Highway Administration (FHWA), which plans, develops, and oversees construction of interstate highways; the Federal Railroad Administration (FRA), which issues and enforces rail safety regulations and administers railroad financial assistance programs; the Federal Transit Administration (FTA), which manages mass transit development and improvement programs; the Maritime Administration (MARAD), which supervises the U.S. merchant marine; and various specialized regulatory, research, and development agencies, including offices for hazardous materials transportation and pipeline safety.

independent government agency charged with investigating certain types of accidents (such as those involving aircraft or trains) and conducting safety studies to identify areas needing improvement in the transportation industry. The NTSB investigates air, rail, pipeline, marine, highway, and other transportation accidents to determine their cause and make recommendations to prevent such accidents from recurring. It also conducts transportation safety studies, publishes reports, establishes regulatory guidelines for reporting accidents, reviews the adequacy of safeguards concerning the transport of hazardous materials, and hears on appeal the suspension or revocation of certificates and licenses issued by the Department of Transportation.

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