U.S. Code / Title 18 — Crimes and Criminal… / Part I—CrimesTitle 18ChapterChapter 97—Railroad Carriers and Mass Transportation Systems on Land, on Water, or Through the AirContents§ 1991. Entering train to commit crime§ 1992. Terrorist attacks and other violence against railroad carriers and against mass transportation systems on land, on water, or through the air[§1993. Repealed. Pub. L. 109–177, title I, §110(a), Mar. 9, 2006, 120 Stat. 205]