Overview

• Entering Izamal at 13:48 on August 19, train 304 encountered an unexpected automated switch movement that caused a single bogie to leave the rail and lean against stationary train 307, which officials classified as a “percance de vía,” not a full derailment.
• The conductora activated the emergency brake as Guardia Nacional and staff evacuated passengers; 261 people were assisted, 14 received medical checks, no serious injuries were reported, and transfers by buses and a special train were arranged.
• Tren Maya reported that service elsewhere continued normally and local operations resumed at 17:05 following safety protocols and site checks.
• Authorities formed a Comisión Dictaminadora and notified the FGR; forensic experts are assessing causes and damages as part of the official investigation.
• Proposed mitigations include adding mechanical clamps or bridas to switch devices, a secondary mechanical verification, and coordination with suppliers such as Alstom, as the event renews scrutiny after prior Tramo 3 incidents and audit findings.