County Durham | Orange County | County Cork | St. Louis County, Minnesota | County Galway | County Mayo | county | Montgomery County | Los Angeles County Museum of Art | Lancashire County Cricket Club | Westchester County, New York | Nassau County, New York | County Antrim | Rockland County, New York | County Down | Washington County | Hillsborough County | Derby County F.C. | County Meath | County Donegal | Erie County, New York | County Tyrone | County Tipperary | County Louth | County Armagh | Wayne County, Michigan | Somerset County Cricket Club | Los Angeles County | Jefferson County | Glamorgan County Cricket Club |
The route comes to the Livingston Circle, a realigned traffic circle, with County Route 508 (W. Northfield Avenue) and County Route 609 (Eisenhower Parkway).
Route 21 and County Route 508 head along the west bank of the Passaic River, passing by the New Jersey Performing Arts Center.
County Route 508 splits from Route 21 by heading east on Bridge Street, crossing the Passaic River, and Route 21 continues north, passing by Bears & Eagles Riverfront Stadium before interchanging with Interstate 280.