Different colored utility flags and spray paint markings on a street corner indicating where hidden lines are buried. - Gayest Frogs/Wikimedia Commons If you happen to walk outside and unexpectedly ...

Add Yahoo as a preferred source to see more of our stories on Google. White, red, and yellow utility markings on stone pavers - bluestork/Shutterstock If you pride yourself on having a nice, neat ...

Utility markings on a concrete pavement in red, yellow, and blue. - Sierra Tango/Shutterstock All over the world, important messages from municipal authorities show up in out-of-sight places. We walk ...

If you happen to walk outside and unexpectedly find utility markings (paint or flags) on your driveway or in your yard, it's good advice to heed the words splashed across the cover of "The ...