Minnesota – Beginning Dec. 28, yellow warning signs fitted with solar-powered flashing LED lights alerted motorists eastbound and westbound on Airport Road when vehicles approached north- or southbound on County Road 7. Traffic sensors on County Road 7 trigger the flashing lights. Similar “intelligent transportation systems” were installed at the intersections of county roads 2 and 3, and 3 and 15, north of Glencoe.
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