Melanie in St. Louis Park wondered: Where do mile markers start? Josh Suess is a cartographer with Hudson Map Company in Minneapolis. He says our highway mile numbers start at the state border.

A century before MapQuest or Google Maps were invented, motorists using one of the country's first coast-to-coast highways followed the "Yellowstone Trail" by watching for chrome yellow markers ...

but the traditional state highway road map still has staying power. “They are popular,” said Minnesota Department of Transportation (MnDOT) spokeswoman Anne Meyer. MnDOT spends about $40,000 a ...