Rumble Strips

You can thank a Sioux Empire guy for keeping you safe on the nation's highways.

You've driven over them and so have I. Maybe you were driving along, lost in a thought or two, and then...bump-bump-bump-bump. Darn, you ran over what's technically called 'rumble strips'. You know, those little ridges along the side of the highway or interstate that gently remind you 'Hey, pay attention...