On Tuesday morning, an MBTA Red Line train derailed just outside of the JFK/UMass station. It's the second derailment in four days. A Green Line train derailed Saturday near Kenmore Station, injuring ten people.
The MBTA named that cause as "operator-related." Both derailments come three weeks before the T plans to increase fares. We breakdown how derailments happen and the best ways to avoid them.
Allan Zarembski, professor of civil and environmental engineering, and the director of the railway engineering and safety program at the University of Delaware.
This segment aired on June 11, 2019.