Why Cold Cities Have More Exploding Manhole Covers

In cold-weather cities in the U.S., slush, snow and wind aren’t the only inconveniences to contend with when the temperature drops; there’s also this small matter of exploding manholes.

Public works officials in New York City have fielded thousands of blown manhole reports throughout late 2014 and into this year, and crews in Indianapolis, weeks before hosting the Final Four, just installed locking manhole covers after two explosions were reported in highly trafficked areas. Similar stori

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