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Accident Report Detail

Derailment, Massachusetts Bay Transportation Authority

Executive Summary

At 3:23 p.m., eastern daylight time, on May 4, 1998, Massachusetts Bay Transportation Authority (MBTA) passenger train 642-43-626-27, consisting of four passenger cars and crewed by a single train operator, derailed its two lead cars as the train proceeded within a 500-foot-radius curve between Government Center and Bowdoin Stations on the MBTA system’s Blue Line. Three of the train’s 10 passengers and the train operator reported minor injuries.

Probable Cause

The National Transportation Safety Board determines that the probable cause of this accident was the failure of the Massachusetts Bay Transportation Authority to have adequate procedures in place to ensure safe operations when restraining rails are not in place.

Accident Location: Boston , MA    
Accident Date: 3/4/1998
Accident ID: ATL98FR015

Date Adopted: 12/1/1998
NTSB Number: RAB-98-24
NTIS Number:  

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