Explainer: Why is Forest Hills Down to One Track?

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Detail of official Casey Arborway plan showing new entrance to Forest Hills T north of New Washington Street.

MassDOT

Detail of official Casey Arborway plan showing new entrance to Forest Hills T north of New Washington Street.

Detail of official Casey Arborway plan showing new entrance to Forest Hills T north of New Washington Street.

MassDOT

If you've passed through Forest Hills Station since Saturday, you know only one of the two tracks is in use. Why? The short answer is for Casey Arborway construction. The platform will stay down to one track through December.

The MBTA has said it has a plan for rush hour so the closure won't cause added delays.

MassDOT, which is in charge of the massive Casey Arborway project, told Jamaica Plain News the single track operation will facilitate several key parts of that work:

  • So that jet fans can be installed to ventilate the station.
  • In order for walls to be built for a platform extension.
  • For construction of stairs to the new Orange Line entrance north of New Washington Street.

"Single track operation has less of an impact on our transit users because it allows the work described above to progress efficiently with fewer weekend or late night shuttle bus substitutions which inconvenience Orange Line passengers,” MassDOT spokesperson Jacquelyn Goddard said in an email to Jamaica Plain News.

Those jet fans mentioned above are a crucial element. In fact, MassDOT has blamed procurement problems around them for the year of delays to the project. The new roads, bike paths and pedestrian walkways are now supposed to be done by fall 2017.

The new Orange Line entrance will allow folks to walk from the Southwest Corridor Park under New Washington Street to the station.

See all our Casey Overpass/Casey Arborway coverage here.

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