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Starts & Stops

Mass. highway signs perplex, and vex, some motorists

The cryptic sign had been up only a few hours when reader Laurie Shapiro spotted it on Route 128 during her commute from Arlington to Wellesley. “Stop forest pests,” it said, flashing on a programmable message board. “Don’t move firewood.”

Could it be a hack? Was a line missing? What did it mean?

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