Framingham Train Yard
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There is something going on in the train yard near the Framingham MBTA station. For some reason, CSX needed to have some of the area plowed in February. There has been mobile units on the site since the September.
Here's one possible motive to what's going on. (From the MBTA FAQ page)
Recently, the MBTA awarded an ?Early Action? rail de-stressing contract for 7.5 miles on the Worcester/Framingham line, and work is scheduled to start at the end of July 2014. However, the heat restrictions will likely stay in place during warm temperatures. The MBTA is also in process of procuring 80,000 linear feet of rail and will begin work to replace the rest of the old on the Worcester/Framingham line starting next April 2015. De-stressing section of the line will then continue through the 2016 construction season. When that work is complete, Worcester/Framingham passengers will hopefully be freed from heat-related delays.