Credit: It’s at least the third arcing incident for Metro in the past few weeks.

Metro suffers another arcing insulator incident

Opening of pedestrian bridge over I-395 completes 3-year project

DC Fire commander at deadly Metro smoke event wasn’t trained for job

Man hit, killed by Amtrak train in Montgomery Co.

Questions of driver safety arise after Metrobus hijacking

Metro didn’t inspect ventilation fans in year before smoke killed rider