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.