49 CFR Subpart D - Subpart D—Track Structure
- § 213.101 Scope.
- § 213.103 Ballast; general.
- § 213.109 Crossties.
- § 213.110 Gage restraint measurement systems.
- § 213.113 Defective rails.
- § 213.115 Rail end mismatch.
- § 213.118 Continuous welded rail (CWR); plan review and approval.
- § 213.119 Continuous welded rail (CWR); plan contents.
- § 213.121 Rail joints.
- § 213.122 Torch cut rail.
- § 213.123 Tie plates.
- § 213.127 Rail fastening systems.
- § 213.133 Turnouts and track crossings generally.
- § 213.135 Switches.
- § 213.137 Frogs.
- § 213.139 Spring rail frogs.
- § 213.141 Self-guarded frogs.
- § 213.143 Frog guard rails and guard faces; gage.