washingtonpost.com – CityBridge There are few pieces of infrastructure in any city more iconic than the pay phone. Clark Kent used it. So did Colin Farrell. And Bill. And Ted. The pay phone has been a time-travel machine, and a safe haven, and a comedic device. It has not, however, for a very long time — for most of us — been used to make phone calls. For that reason, cities have been trying to figure out what to do with these outdated assets, and how to re-imagine them as telecom infrastructure for a modern era when most of us have our own cellphones.