---
kind: "unit"
title: "49"
title_heading: "Transportation"
key: "subtB/chVIII/part840"
level: "part"
label: "Part 840"
heading: "Rules Pertaining to Notification of Railroad Accidents"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/49/subtB-chVIII-part840"
sections_count: 6
---

# Part 840 — Rules Pertaining to Notification of Railroad Accidents

Title 49 C.F.R. — Transportation › Subtitle B — Other Regulations Relating to Transportation › Chapter VIII — National Transportation Safety Board

## Sections

- [§840.1. Applicability.](/cfr/49/840.1.md)
- [§840.2. Definitions.](/cfr/49/840.2.md)
- [§840.3. Notification of railroad accidents.](/cfr/49/840.3.md)
- [§840.4. Information to be given in notification.](/cfr/49/840.4.md)
- [§840.5. Inspection, examination and testing of physical evidence.](/cfr/49/840.5.md)
- [§840.6. Priority of Board investigations.](/cfr/49/840.6.md)