What County does Route 97 continue to after going through Essex County?
Salem, New Hampshire Salem is a town in Rockingham County, New Hampshire, United States. The population was 28,776 at the 2010 census. Salem is a marketing and distributing center north of Boston, with a major amusement attraction, Canobie Lake Park, and a large shopping mall, the Mall at Rockingham Park.
Elizabeth River (New Jersey) The Elizabeth River is a waterway in Essex and Union Counties, New Jersey in the United States, draining into the Arthur Kill