What causes sinkholes? Traffic nightmares worsen as new sinkhole opened on Rt 80 - shutting down traffic in both directions. Detours and what to know ...

A large sinkhole that opened in the middle of a street in Pittsburgh's Homewood neighborhood has been filled, the city said ...

East Nippon Expressway Co. on Nov. 22 announced a second hole was confirmed the day before ... where a portion of road caved in on Oct. 18. The second cavity lies between 10 and 20 meters ...