CHAPTER 13 - RAILROAD SAFETY Title 45 > CHAPTER 13 Sections (2) § 421 Repealed. Pub. L. 103–272, § 7(b), July 5, 1994, 108 Stat. 1379 §§ 431 to 447 Repealed. Pub. L. 103–272, § 7(b), July 5, 1994, 108 Stat. 1379