Baltimore Metro to shut down for an entire month for emergency repairs

Trains Magazine Transit
1

Baltimore’s stunted single-line “Metro” shuts down for an entire month for emergency repairs.

http://www.baltimoresun.com/news/maryland/baltimore-city/bs-md-ci-subway-emergency-repairs-folo-20180211-story.html

2

I guess they are trying to catch up 30+ years of wear and tear with a month of maintenance.