The Elizabeth River reemerges just south of the Essex/Union County border near exit 142/142 A on the Garden State Parkway forming the border between Union Township and Hillside.
The Elizabeth River reemerges just south of the Essex/Union County border near exit 142/142 A on the Garden State Parkway. From this point until the river enters the city of Elizabeth, it forms the border between Union Township and Hillside.