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My personal conspiracy theory is that whoever was behind renumbering the highway exits owns the sign company. The new numbers finally hit rte 128; just where does the mileage counting start from??? Not Boston, not the state line. my new exit number is 44, miles from where?

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Normally west to east freeways are numbered starting at the state line low (mile marker 0) to high, and south to north freeways are numbered 0 to high at the next state line. At least California doesn’t get convoluted and bizarre and unfathomable. With a few short exceptions, like 580 in the SF Bay Area, most of it makes sense.

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What a mess. I looked it up on Wikipedia, there is a chart under the chapter “Exit List” that gives you the old exit numbers and new exit numbers. Good luck.

https://en.m.wikipedia.org/wiki/Massachusetts_Route_128

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