In 1937, the Maine Legislature charted a 500-mile route from Portland to Fort Kent — not to move freight, but to pull travelers deep into the heart of Maine, through river towns and timber country most of the country had never heard of. The maps and atlases of the day ran it further still, down to Kittery and the southern border.

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Then the name faded off the maps. The road didn't.

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Today the full route is charted again — every mile, every town, with many stops — on the interactive map & directory page built for the travelers rediscovering it.