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A Green Line train passes through Government Center during construction to the station, February 5, 2016 Joe Difazio

New York City took a baby step into the “summer of hell” Monday as summer repairs began on Penn Station, the nation’s busiest train station.

New York's Metropolitan Transit Authority (MTA) has taken a public beating for train delays and infrastructure failure, which prompted New York Gov. Andrew Cuomo to sign a June executive order declaring a state of emergency that pledged $1 billion for improvements to the MTA. Just 4 percent of city voters gave Cuomo an "A" grade for his job managing the MTA, according to a Quinnipiac University poll released Wednesday.

Not to be outdone, Boston, New York's eternal rival, decided to up the ante.

Boston's train system, the oft-maligned Massachusetts Bay Transit Authority, had a shutdown on the highly commuted Green Line.

A train stalled in the middle of a tunnel at the Boylston Street station in the middle of downtown Boston. It backed several trains up forcing around 300 people to evacuate and escape through the subway’s tunnels, according to the Boston Herald Wednesday.

READ: Andrew Cuomo Appoints Trump Adviser To Penn Station Task Force After Big Campaign Donations

The train stalled due to a power problem caused by a fire from faulty wires, according to Boston’s ABC affiliate WCVB.

The MBTA is used to getting dumped on by Twitter, but people brought the heat Wednesday.

READ: When Will 'Summer Of Hell' Really End? New York Penn Station Train Commuters Battle Construction

The MBTA is the oldest subway system in the country. The stops affected by this incident, Boylston Street, Park Street Station and Arlington Street are the oldest part of Boston's subway. The section between Park Street and Boylston Street opened in 1897.