 North of this point, the freeway comes to a northbound exit and southbound entrance for southbound County Route 624 (River Road), passing through residential neighborhoods, and enters Passaic.In Passaic, Route 21 interchanges with County Route 608 (Brook Avenue), County Route 614 (Van Houten Avenue), and County Route 624.The route features an interchange with County Route 624 (River Drive) and County Route 601 (Main Avenue) and meets State Street at a partial interchange with a northbound exit and southbound entrance.