The break happened before 11:30 Tuesday morning.
South Harrison Avenue was closed in all directions between West Chatham Street and West Park Street.
Traffic Alert! S. Harrison Ave. is closed in all directions between W. Chatham St. and W. Park St. due to a water main break. #CaryNC pic.twitter.com/NqSHNL1ers
— Town of Cary Traffic (@TOC_Traffic) January 2, 2018