DAVID GREENE, HOST:

Good morning. I'm David Greene. Maybe you've heard the phrase, call before you dig. Officials ask that you alert them before starting a construction project, you know, to avoid damaging important stuff. Well, a construction crew in Colorado knocked out an underground fiber line. It happened to be the one that is used by Colorado's call-before-you-dig hotline - went out of service. Sounds like someone learned an important lesson to call before you - well, you get what I'm talking about. Transcript provided by NPR, Copyright NPR.