The Regulation Governing the Handling of Investigation Procedures for Railway Occurrence Article 3

Following a major railway occurrence or a suspected occurrence, the public/private operators, the organizations of traffic control, the fire department, and the police department shall, within the time limit specified in Article 9 of the Act, report to the TTSB.In addition, pursuant to Paragraph 2, Article 9 of the Act, the public/private operators shall report to the TTSB any of the following occurrences involving trains or rolling stock of the railway system or the mass rapid transit system:1. Operation against block protection.2. Operation against the signal.3. Signal passed at danger (SPAD).4. Equipment damage.5. Rolling stock failure.6. Death of a person onboard7. Death or injury of three or more persons.8. Train or rolling stock uncoupling.9. Train or rolling stock runaway movement.10. Incorrect signal setting.11. Electrical equipment failure.12. Operation safety device failure.13. Incapacitation of the driver.14. Foreign object intrusion.In the event of any of the occurrences, the public/private operators, the transportation control agency, the fire department, and the police department shall submit a major railway occurrence report to the TTSB and give the TTSB duty officer a status report.