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Regulations last checked for updates: May 14, 2025

Title 23 - Highways last revised: Jan 01, 1900
All TitlesTitle 23Chapter IPart 646 - PART 646—RAILROADS
  • Subpart A [§ 646.101 - § 646.111] - Subpart A—Railroad-Highway Insurance Protection
  • Subpart B [§ 646.200 - § 646.220] - Subpart B—Railroad-Highway Projects
authority: 23 U.S.C. 109(e), 120(c), 130, 133(d)(1), and 315; 49 CFR 1.48(b)
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