A wayside post marked "W", telling the engine driver to signal for the upcoming crossing of Mill Street in Arlington. From my trail skating blog at http://minutemantrail.blogspot.com/2008/06/one-more-whistle-post-posting.html.

Mystic River Bridge

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AQUA BEAUTY SUPPLY

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Chelsea Fire Station 1 HQ

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Charlestown, MA, Tobin Bridge...

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Boston Fire Station 5 (E-5)

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