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.
500-series county routes In addition to those listed below, the following 500-series county routes serve Union County: CR 509, CR 509 Spur, CR 512, CR 514, CR 527, CR 531, CR 577
Other county routes Route Length(mi) Length(km) From Via To Notes West 7th Street (CR 601) at the Middlesex County line in PlainfieldWest 7th Street, East 7th Street, La Grande Avenue, Laurel Place South Avenue (Route 28) in Fanwood Inman Avenue (CR 602) at the Middlesex County line in RahwayWest Inman AvenueSt. Georges Avenue (Route 27) in Rahway Plainfield Avenue (CR 603) at the Middlesex County line in PlainfieldPlainfield AvenuePlainfield Avenue (Route 28) and West 5th Street (Route 28) in Plainfield Raritan Road (CR 607) in ClarkMadison Hill RoadWestfield Avenue (CR 613) on the Clark/Rahway border Springfield Avenue (CR 509/CR 577) and East Broad Street (CR 509/CR 577) in WestfieldNomahegan DriveDead end in WestfieldUnsigned West Broad Street (CR 653) in Scotch PlainsLamberts Mill RoadRahway Avenue in Westfield Middlesex County line in ClarkOak Ridge Road, Raritan RoadWood Avenue (CR 617) on the Linden/Roselle border Central Avenue (CR 613) in ClarkValley RoadNorth Stiles Street (CR 615) in Linden St. Georges Avenue (Route 35) in RahwayNew Brunswick AvenueWest Hazelwood Avenue (CR 621) and East Hazelwood Avenue (CR 621) in Rahway 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 Lamberts Mill Road (CR 606) in Scotch PlainsRaritan Road, Terrill RoadSomerset County line in Scotch Plains Amsterdam Avenue (CR 617) in RoselleWest 3rd Avenue, Jersey Avenue, West Jersey StreetCherry Street (Route 27) in Elizabeth US 1/9 in RahwayEast Grand Avenue, West Grand Avenue, Westfield Avenue, Brant Avenue, Central Avenue, East Broad Street, Mountain AvenueUS 22 in Mountainside Rahway Avenue (Route 27) in ElizabethPearl StreetUS 1/9 in Elizabeth US 1/9 in LindenSouth Stiles Street, North Stiles Street, Centennial Avenue, North Avenue East, Springfield AvenueSpringfield Avenue (CR 509) and Kenilworth Boulevard (CR 509) in Cranford Rosewood Avenue in RoselleLinden Road, Westfield Avenue, Galloping Hill RoadGalloping Hill Road (CR 509) and Salem Road (CR 509) in UnionRoute 28 in Roselle Park US 1/9 in LindenSouth Wood Avenue, North Wood Avenue, Amsterdam Avenue, 1st Avenue, Gordon Street, Westfield Avenue, Faitoute Avenue, Michigan AvenueUS 22 in Union Chestnut Street (CR 627) in Roselle ParkEast Lincoln Avenue, Magie Avenue, Orchard StreetMorris Avenue (CR 629) in Elizabeth Elizabeth Avenue (CR 514) in LindenRoselle Street, Chestnut Street, East 9th Avenue, Locust Street, Tucker Avenue, Chestnut Street, Stuyvesant AvenueStuyvesant Avenue (CR 619) at Essex County line in Union West Front Street (Route 28) and Plainfield Avenue (Route 28) in PlainfieldWest Front Street, East Front Street, Front StreetPark Avenue (CR 655) in Scotch Plains St. Georges Avenue (Route 27) in RahwayWest Hazelwood Avenue, East Hazelwood Avenue, Hart StreetRandolph Avenue (CR 602) at the Middlesex County line in Rahway Mountain Avenue (CR 622) at the Somerset County line in Berkeley HeightsMountain Avenue, Ashland Road, Mountain AvenueMorris Avenue (CR 651) in Summit Bayway (Route 439) in ElizabethSouth Broad Street, North Broad StreetEssex County line in Hillside Plainfield Avenue (CR 641) in Berkeley HeightsHorseshoe RoadMountain Avenue (CR 622) in Berkeley Heights Chestnut Street (CR 619) and 9th Avenue (CR 619) in RoselleChestnut Street1st Avenue (CR 610) in Roselle US 22 in UnionWest Chestnut Street Chestnut Street (CR 619) and Stuyvesant Avenue (CR 619) in Union Westfield Avenue (Route 28) in Roselle ParkChestnut StreetGalloping Hill Road (CR 509), Chestnut Street (CR 509), and Tucker Avenue (CR 619) in Union Hillside Avenue (CR 509) and Chestnut Avenue (CR 509) in HillsideHillside AvenueNorth Broad Street (CR 623) in Hillside Westfield Avenue (Route 27) in ElizabethMorris AvenueMorris Avenue (Route 82) and North Avenue (Route 439) in Union Vauxhall Road (CR 630 Alt.) at the Essex County line in UnionVauxhall Road, Salem Road, Conant StreetSalem Avenue in Hillside Liberty Avenue (CR 509) in HillsideBloy Street, Hillside AvenueHillside Avenue (CR 509) and Chestnut Avenue (CR 509) in HillsideDecommissioned Valley Road (CR 608) and Broadway in ClarkWalnut AvenueSouth Avenue (CR 610) in Cranford Morris Avenue (Route 82) in UnionBurnet AvenueEssex County line in Union US 22 in Scotch PlainsWillow Avenue, Mountain AvenueUS 22 in Westfield US 22 in MountainsideMountain AvenueMorris Avenue (Route 124) in Springfield Morris Avenue (CR 527) in SummitOrchard Street, Shunpike RoadSouth Springfield Avenue (CR 639) in Springfield Magnolia Avenue in ElizabethJefferson AvenueNorth Avenue in Elizabeth Acme Street in ElizabethLinden AvenueElmora Avenue (Route 439) in Elizabeth South Springfield Avenue (CR 577) and Meisel Avenue (CR 577) in SpringfieldSouth Springfield AvenueMountain Avenue (CR 635) in Springfield Diamond Hill Road (CR 655) in Berkeley HeightsMcMane AvenueGlenside Avenue (CR 527) in Berkeley Heights Valley Road (CR 527) and Bonnie Burn Road (CR 695) in WatchungPlainfield AvenueSpringfield Avenue (CR 512) in Berkeley HeightsRoute runs through a portion of Somerset County, but is entirely maintained by Union County. Former southern segment (Bonnie Burn Road) transferred to Somerset County as CR 695 in October 2023.Meeting Minutes of the Board of County Commissioner, Somerset County, New Jersey, October 10, 2023. Accessed September 10, 2025. "Resolution Accepting The Dedication Of Bonnie Burn Road (CR 695) From Union County" Glenside Avenue (CR 527) and Valley Road (CR 527) in Scotch PlainsSky Top Drive, Coles Avenue, New Providence Road, Summit LaneSummit Road (CR 643) in Mountainside US 22 in MountainsideSummit Road, Baltusrol RoadGlenside Avenue (CR 527) in Summit Sky Top Drive (CR 642) and Coles Avenue (CR 642) in MountainsideTanager Way, Deer PathDeer Path (CR 645) and W.R. Tracy Drive (CR 645) in Mountainside Mountain Avenue (CR 613) in MountainsideNew Providence Road, Deer Path, W.R. Tracy DriveGlenside Avenue (CR 527) in Summit Rahway Avenue (CR 658) in ElizabethElizabethtown PlazaCaldwell Place in ElizabethServes county complex Mountain Avenue (CR 622) in New ProvidenceSouth Street, Passaic StreetRiver Road (CR 647) at the Morris County line in New Providence St. Georges Avenue (Route 27) in RahwayWest Milton Avenue, East Milton AvenueUS 1/9 in Rahway Springfield Avenue (CR 512) in SummitConstantine Place, Passaic Avenue, River Road, JFK Parkway Route 24 and JFK Parkway (CR 649) at the Essex County line in Summit St. Georges Avenue (Route 27) in RahwayWest Scott Avenue, East Scott AvenueUS 1/9 in Rahway Morris Avenue (CR 527) and Glenside Avenue (CR 527) in SummitMorris Avenue, River Road, Chatham RoadSummit Avenue at the Morris County line in Summit Valley Road (CR 608) in ClarkRoss StreetSt. Georges Avenue (Route 27) in Rahway Lamberts Mill Road (CR 606) in Scotch PlainsWest Broad StreetSouth Avenue (Route 28) in Westfield Mountain Avenue (CR 635) in SpringfieldHillside AvenueUS 22 in Springfield Oak Ridge Road (CR 607) in ClarkLake Avenue, Martine Avenue, Park Avenue, New Providence Road, Diamond Hill RoadMountain Avenue (CR 622) on the Berkeley Heights/New Providence border Gap in route through a portion of Somerset County as CR 655 Fairway Drive South in UnionFairway Drive EastChestnut Street (CR 619) in Union Morris Avenue (CR 651) in SummitSummit AvenueRoute 124 in Summit South Broad Street (CR 623) and Elizabeth Avenue in ElizabethRahway AvenueRahway Avenue (Route 27) and Cherry Street (Route 27) in ElizabethServes county complex Coles Avenue (CR 642) in MountainsideAckerman Avenue Deer Path (CR 644) in Mountainside
See also
References