

Hooker Street on the Jamesburg/ Monroe Township borderĬR 501/ CR 616 Spur in Woodbridge Township Scudders Mill Road, Dey Road, Cranbury-South River Road, Prospect Plains Road, Hoffman Station RoadĬR 522/Mounts Mill Road in Monroe TownshipĬR 614 Spur/Plainsboro Road in Plainsboro TownshipĬR 615 at the Mercer County line in Plainsboro TownshipĬranbury Neck Road, South Main Street, Cranbury Station Road, Union Valley Road, Union Valley Half Acre Road, Prospect Plains Road, Half Acre Road, Lincoln Avenue, Helmetta Road, Main Street, Bordentown Avenueīordentown Avenue / Pine Avenue in South Amboy Spotswood-Englishtown Road, Spotswood Road, Devoe Avenue, Main Street, Summerhill Road Route 32 at the bridge over I-95/ New Jersey Turnpike in Monroe Townshipįorsgate Drive, Buckelew Avenue, Pergola Avenue, Matchaponix AvenueĬR 522/Tracy Station Road in Monroe Township Henderson Road, Deans Lane, Deans Rhode Hall RoadĬR 616/ CR 656/State Street in Perth Amboy Oak Tree Road, Green Street, Rahway Avenue, Port Reading Avenue, Roosevelt Avenue, Washington AvenueĬR 601 on the South Plainfield/ Piscataway borderĬR 535/Hillside Avenue in South River, New JerseyĬR 533 at the Somerset County line in MiddlesexĬR 617 at the Somerset County line in New Brunswick Hamilton Boulevard, Lakeview Avenue, Plainfield AvenueĬR 603 at the Union County line in South Plainfield Maple Avenue, Old Raritan Road, Inman AvenueĬR 602 at the Union County line in Woodbridge TownshipĬR 621/Randolph Avenue at the Union County line in Woodbridge Township Other county routes Route ĬR 601 at the Union County line on the Piscataway/ South Plainfield border In addition to those listed below, the following 500-series county routes serve Middlesex County: For more information on the county route system in New Jersey as a whole, including its history, see County routes in New Jersey. The following is a list of county routes in Middlesex County in the U.S.


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