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The following is a list of county routes in Union County in the U.S. state of New Jersey. For more information on the county route system in New Jersey as a whole, including its history, see County routes in New Jersey.
In addition to those listed below, the following 500-series county routes serve Union County: [1]
Route | Length (mi) [2] | Length (km) | From | Via | To | Notes |
---|---|---|---|---|---|---|
![]() | 4.51 | 7.26 | West 7th Street (CR 601) at the Middlesex County line in Plainfield | West 7th Street, East 7th Street, La Grande Avenue, Laurel Place | South Avenue (Route 28) in Fanwood | |
![]() | 0.79 | 1.27 | Inman Avenue (CR 602) at the Middlesex County line in Rahway | West Inman Avenue | St. Georges Avenue (Route 27) in Rahway | |
![]() | 0.93 | 1.50 | Plainfield Avenue (CR 603) at the Middlesex County line in Plainfield | Plainfield Avenue | Plainfield Avenue (Route 28) and West 5th Street (Route 28) in Plainfield | |
![]() | 1.72 | 2.77 | Raritan Road (CR 607) in Clark | Madison Hill Road | Westfield Avenue (CR 613) on the Clark/Rahway border | |
![]() | 0.2 | 0.32 | Springfield Avenue (CR 509/CR 577) and East Broad Street (CR 509/CR 577) in Westfield | Nomahegan Drive | Dead end in Westfield | Unsigned |
![]() | 2.4 | 3.86 | West Broad Street (CR 653) in Scotch Plains | Lamberts Mill Road | Rahway Avenue in Westfield | |
![]() | 4.9 | 7.89 | Middlesex County line in Clark | Oak Ridge Road, Raritan Road | Wood Avenue (CR 617) on the Linden/Roselle border | |
![]() | 1.4 | 2.25 | Central Avenue (CR 613) in Clark | Valley Road | North Stiles Street (CR 615) in Linden | |
![]() | 0.86 | 1.38 | St. Georges Avenue (Route 35) in Rahway | New Brunswick Avenue | West Hazelwood Avenue (CR 621) and East Hazelwood Avenue (CR 621) in Rahway | |
![]() | 9.86 | 15.87 | Terrill Road (CR 611) on the Fanwood/Plainfield border | Midway Avenue, North Avenue, South Avenue, West 1st Avenue, East 1st Avenue, West Grand Street, East Grand Street | Cherry Street (Route 27) in Elizabeth | |
![]() | 4 | 6.44 | Lamberts Mill Road (CR 606) in Scotch Plains | Raritan Road, Terrill Road | Somerset County line in Scotch Plains | |
![]() | 3.06 | 4.92 | Amsterdam Avenue (CR 617) in Roselle | West 3rd Avenue, Jersey Avenue, West Jersey Street | Cherry Street (Route 27) in Elizabeth | |
![]() | 9.53 | 15.34 | US 1/9 in Rahway | East Grand Avenue, West Grand Avenue, Westfield Avenue, Brant Avenue, Central Avenue, East Broad Street, Mountain Avenue | US 22 in Mountainside | |
![]() | 0.92 | 1.48 | Rahway Avenue (Route 27) in Elizabeth | Pearl Street | US 1/9 in Elizabeth | |
![]() | 5.55 | 8.93 | US 1/9 in Linden | South Stiles Street, North Stiles Street, Centennial Avenue, North Avenue East, Springfield Avenue | Springfield Avenue (CR 509) and Kenilworth Boulevard (CR 509) in Cranford | |
![]() | 2 | 3.22 | Rosewood Avenue in Roselle | Linden Road, Westfield Avenue, Galloping Hill Road | Galloping Hill Road (CR 509) and Salem Road (CR 509) in Union | Route 28 in Roselle Park |
![]() | 5.7 | 9.17 | US 1/9 in Linden | South Wood Avenue, North Wood Avenue, Amsterdam Avenue, 1st Avenue, Gordon Street, Westfield Avenue, Faitoute Avenue, Michigan Avenue | US 22 in Union | |
![]() | 2.70 | 4.35 | Chestnut Street (CR 627) in Roselle Park | East Lincoln Avenue, Magie Avenue, Orchard Street | Morris Avenue (CR 629) in Elizabeth | |
![]() | 6.38 | 10.27 | Elizabeth Avenue (CR 514) in Linden | Roselle Street, Chestnut Street, East 9th Avenue, Locust Street, Tucker Avenue, Chestnut Street, Stuyvesant Avenue | Stuyvesant Avenue (CR 619) at Essex County line in Union | |
![]() | 3.14 | 5.05 | West Front Street (Route 28) and Plainfield Avenue (Route 28) in Plainfield | West Front Street, East Front Street, Front Street | Park Avenue (CR 655) in Scotch Plains | |
![]() | 1.75 | 2.82 | St. Georges Avenue (Route 27) in Rahway | West Hazelwood Avenue, East Hazelwood Avenue, Hart Street | Randolph Avenue (CR 602) at the Middlesex County line in Rahway | |
![]() | 6.60 | 10.62 | Mountain Avenue (CR 622) at the Somerset County line in Berkeley Heights | Mountain Avenue, Ashland Road, Mountain Avenue | Morris Avenue (CR 651) in Summit | |
![]() | 3.86 | 6.21 | Bayway (Route 439) in Elizabeth | South Broad Street, North Broad Street | Essex County line in Hillside | |
![]() | 0.6 | 0.97 | Plainfield Avenue (CR 641) in Berkeley Heights | Horseshoe Road | Mountain Avenue (CR 622) in Berkeley Heights | |
![]() | 0.69 | 1.11 | Chestnut Street (CR 619) and 9th Avenue (CR 619) in Roselle | Chestnut Street | 1st Avenue (CR 610) in Roselle | |
![]() | 0.91 | 1.46 | US 22 in Union | West Chestnut Street | Chestnut Street (CR 619) and Stuyvesant Avenue (CR 619) in Union | |
![]() | 1.08 | 1.74 | Westfield Avenue (Route 28) in Roselle Park | Chestnut Street | Galloping Hill Road (CR 509), Chestnut Street (CR 509), and Tucker Avenue (CR 619) in Union | |
![]() | 0.73 | 1.17 | Hillside Avenue (CR 509) and Chestnut Avenue (CR 509) in Hillside | Hillside Avenue | North Broad Street (CR 623) in Hillside | |
![]() | 0.74 | 1.19 | Westfield Avenue (Route 27) in Elizabeth | Morris Avenue | Morris Avenue (Route 82) and North Avenue (Route 439) in Union | |
![]() | 5.1 | 8.21 | Vauxhall Road (CR 630 Alt.) at the Essex County line in Union | Vauxhall Road, Salem Road, Conant Street | Salem Avenue in Hillside | |
![]() | 0.88 | 1.42 | Liberty Avenue (CR 509) in Hillside | Bloy Street, Hillside Avenue | Hillside Avenue (CR 509) and Chestnut Avenue (CR 509) in Hillside | Decommissioned |
![]() | 2 | 3.22 | Valley Road (CR 608) and Broadway in Clark | Walnut Avenue | South Avenue (CR 610) in Cranford | |
![]() | 1.6 | 2.57 | Morris Avenue (Route 82) in Union | Burnet Avenue | Essex County line in Union | |
![]() | 2.07 | 3.33 | US 22 in Scotch Plains | Willow Avenue, Mountain Avenue | US 22 in Westfield | |
![]() | 2.26 | 3.64 | US 22 in Mountainside | Mountain Avenue | Morris Avenue (Route 124) in Springfield | |
![]() | 1.6 | 2.57 | Morris Avenue (CR 527) in Summit | Orchard Street, Shunpike Road | South Springfield Avenue (CR 639) in Springfield | |
![]() | 0.84 | 1.35 | Magnolia Avenue in Elizabeth | Jefferson Avenue | North Avenue in Elizabeth | |
![]() | 0.2 | 0.32 | Acme Street in Elizabeth | Linden Avenue | Route 439) in Elizabeth | |
![]() | 0.7 | 1.13 | South Springfield Avenue (CR 577) and Meisel Avenue (CR 577) in Springfield | South Springfield Avenue | Mountain Avenue (CR 635) in Springfield | |
![]() | 0.75 | 1.21 | Diamond Hill Road (CR 655) in Berkeley Heights | McMane Avenue | Glenside Avenue (CR 527) in Berkeley Heights | |
![]() | 2.6 | 4.18 | Valley Road (CR 527) and Bonnie Burn Road (CR 695) in Watchung | Plainfield Avenue | Springfield Avenue (CR 512) in Berkeley Heights | Route runs through a portion of Somerset County, but is entirely maintained by Union County. [3] Former southern segment (Bonnie Burn Road) transferred to Somerset County as CR 695 in October 2023. [4] |
![]() | 4.09 | 6.58 | Glenside Avenue (CR 527) and Valley Road (CR 527) in Scotch Plains | Sky Top Drive, Coles Avenue, New Providence Road, Summit Lane | Summit Road (CR 643) in Mountainside | |
![]() | 2.37 | 3.81 | US 22 in Mountainside | Summit Road, Baltusrol Road | CR 527 in Summit | |
![]() | 0.90 | 1.45 | Sky Top Drive (CR 642) and Coles Avenue (CR 642) in Mountainside | Tanager Way, Deer Path | Deer Path (CR 645) and W.R. Tracy Drive (CR 645) in Mountainside | |
![]() | 3.46 | 5.57 | Mountain Avenue (CR 613) in Mountainside | New Providence Road, Deer Path, W.R. Tracy Drive | Glenside Avenue (CR 527) in Summit | |
![]() | 0.1 | 0.16 | Rahway Avenue (CR 658) in Elizabeth | Elizabethtown Plaza | Caldwell Place in Elizabeth | Serves county complex |
![]() | 1.9 | 3.06 | Mountain Avenue (CR 622) in New Providence | South Street, Passaic Street | River Road (CR 647) at the Morris County line in New Providence | |
![]() | 1.29 | 2.08 | St. Georges Avenue (Route 27) in Rahway | West Milton Avenue, East Milton Avenue | US 1/9 in Rahway | |
![]() | 2.21 | 3.56 | Springfield Avenue (CR 512) in Summit | Constantine Place, Passaic Avenue, River Road, JFK Parkway | Route 24 and JFK Parkway (CR 649) at the Essex County line in Summit | |
![]() | 1.38 | 2.22 | St. Georges Avenue (Route 27) in Rahway | West Scott Avenue, East Scott Avenue | US 1/9 in Rahway | |
![]() | 2.3 | 3.70 | Morris Avenue (CR 527) and Glenside Avenue (CR 527) in Summit | Morris Avenue, River Road, Chatham Road | Summit Avenue at the Morris County line in Summit | |
![]() | 0.4 | 0.64 | Valley Road (CR 608) in Clark | Ross Street | Route 27 in Rahway | |
![]() | 0.77 | 1.24 | Lamberts Mill Road (CR 606) in Scotch Plains | West Broad Street | South Avenue (Route 28) in Westfield | |
![]() | 0.67 | 1.08 | CR 635]]) in Springfield | Hillside Avenue | US 22 in Springfield | |
![]() | 6.84 | 11.01 | Oak Ridge Road (CR 607) in Clark | Lake Avenue, Martine Avenue, Park Avenue, New Providence Road, Diamond Hill Road | CR 622]]) on the Berkeley Heights/New Providence border | Gap in route through a portion of Somerset County as CR 655 |
![]() | 0.71 | 1.14 | Fairway Drive South in Union | Fairway Drive East | Chestnut Street (CR 619) in Union | |
![]() | 1.5 | 2.41 | Morris Avenue (CR 651) in Summit | Summit Avenue | Route 124 in Summit | |
![]() | 0.2 | 0.32 | South Broad Street (CR 623) and Elizabeth Avenue in Elizabeth | Rahway Avenue | Rahway Avenue (Route 27) and Cherry Street (Route 27) in Elizabeth | Serves county complex |
![]() | 0.39 | 0.63 | Coles Avenue (CR 642) in Mountainside | Ackerman Avenue | Deer Path (CR 644) in Mountainside |