The following is a list of county routes in Hunterdon 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.
The following is a list of county routes in Hunterdon 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 Hunterdon County: [1]
| Route [2] | Length (mi) [3] | Length (km) | From | Via | To | Notes |
|---|---|---|---|---|---|---|
 CR 600 | 0.57 | 0.92 | Route 31 in Raritan Township | Wescott Drive | Sand Hill Road (CR 612) in Raritan Township | |
 CR 601 | 3.65 | 5.87 | Brunswick Pike CR 518) and Lambertville–Hopewell Road (CR 518) in West Amwell | Mt Airy–Harbourton Road, Mt Airy Village Road | Route 179 in West Amwell | Partially on the Mercer–Hunterdon county line |
 CR 602 | 6.31 | 10.15 | Old York Road (Route 179/CR 579) in East Amwell | Wertsville Road | Wertsville Road at the Somerset County line in East Amwell | |
 CR 603 | 0.54 | 0.87 | Route 179 in West Amwell | Mt Airy Village Road | Mt Airy Village Road (CR 601) and Mt Airy–Harbourton Road (CR 601) in West Amwell | Maintained by West Amwell Township since 1981 [4] |
| CR 603 | 1.26 | 2.03 | Shurts Road at the Warren County line in Bethlehem Township | Valley Road | Main Street (CR 645) in Hampton | Decommissioned in 1981 [4] |
 CR 604 | 7.27 | 11.70 | Kingwood–Stockton Road (CR 519) in Delaware Township | Rosemont-Ringoes Road | John Ringo Road (CR 579) on the East Amwell/Raritan township line | |
 CR 605 | 3.60 | 5.79 | Route 179 in West Amwell | Queen Road, Sand Ridge–Mt Airy Road, Cemetery Road | Stockton-Flemington Road (CR 523) in Delaware Township | |
 CR 606 | 0.4 | 0.6 | Old Croton Road (CR 608) in Raritan Township | Capner Street Extension | Capner Street on the Raritan Township/Flemington border | Decommissioned in 1981 [4] |
 CR 607 | 2.08 | 3.35 | Hopewell–Wertsvlle Road at the Mercer County line in East Amwell | Rileyville Road | Wertsville Road (CR 602) in East Amwell | |
 CR 608 | 3.95 | 6.36 | Route 12 in Delaware Township | Old Croton Road | Capner Street Extension (CR 606) and Dayton Road in Raritan Township | Decommissioned in 1981 [4] |
 CR 609 | 2.31 | 3.72 | Wertsville Road (CR 602) in East Amwell | Manners Road | Amwell Road (CR 514) in East Amwell | |
 CR 610 | 0.82 | 1.32 | Uhlerstown–Frenchtown Bridge and Front Street in Frenchtown | Bridge Street, Race Street, Kingwood Avenue | Route 12 and Horseshoe Bend Road in Frenchtown | County-maintained portion of Route 12 |
 CR 611 | 0.80 | 1.29 | US 202/Route 31 in Raritan Township | South Main Street | Parker Avenue (Route 12) in Flemington | |
 CR 612 | 1.93 | 3.11 | Thachers Hill Road (CR 617) and Klinesville Road (CR 617) in Raritan Township | Sand Hill Road, Bartles Corner Road | Flemington–Whitehouse Road (CR 523) and River Road (CR 523) in Raritan Township | |
 CR 613 | 3.68 | 5.92 | Old York Road (CR 514) and Amwell Road (CR 514) on the East Amwell/Raritan township line | Old York Road, Main Street | US 202 in Readington | Partially former CR 514 Spur [5] |
 CR 614 | 7.70 | 12.39 | Milford-Warren Glen Road (CR 519) in Holland Township | Spring Mills Road, Little York–Mt Pleasant Road, Little York–Pattenburg Road, Pattenburg Road | Route 173 in Union Township | |
 CR 615 | 5.24 | 8.43 | Route 12 in Kingwood Township | Pittstown Road | Pittstown Road (CR 579) and Quakertown Road (CR 579) in Franklin Township | |
 CR 616 | 2.08 | 3.35 | Quakertown Road (CR 579) and Croton Road (CR 579) in Franklin Township | Quakertown Road | Cherryville Road (CR 617) in Franklin Township | |
 CR 617 | 8.72 | 14.03 | Flemington border in Raritan Township | Thatcher Hill Road, Klinesville Road, Cherryville Road, Sidney Road | Pittstown Road (CR 513) on the Franklin/Union township line | |
 CR 618 | 0.50 | 0.80 | Route 31 in Clinton Township | Stanton Grange Road, Grange Road | Stanton-Lebanon Road (CR 629) in Clinton Township | |
 CR 619 | 3.05 | 4.91 | 7th Street in Frenchtown | Milford–Frenchtown Road | Frenchtown Road (CR 519) and Milford–Mt Pleasant Road (CR 519) in Milford | |
 CR 620 | 4.22 | 6.79 | CR 523 in Readington | East Dreahook Road, Readington Road | Dreahook Road (CR 637) and Readington Road (CR 637) at the Somerset County line in Readington | |
 CR 621 | 0.74 | 1.19 | Stanton-Lebanon Road (CR 629) in Clinton Township | Round Valley Road | US 22 in Clinton Township | Designated by the New Jersey Department of Transportation as CR 751 [6] |
| CR 621 | 1.62 | 2.61 | Quakertown Road (CR 616) in Franklin Township | Sidney Road | Cherryville Road (CR 617) and Sidney Road (CR 617) in Franklin Township | Decommissioned in 1981 [4] |
 CR 623 | 2.50 | 4.02 | Country Club Drive and Mitchell Lane on the Clinton/Clinton Township border | Hamden Road, Wellington Drive, Allerton Road | Route 31 in Clinton Township | |
 CR 624 | 1.28 | 2.06 | US 22 and Main Street (CR 523) in Readington | Old Highway 28 | US 22 in Readington | Decommissioned in 1981 [4] |
 CR 625 | 5.04 | 8.11 | Everittstown Road (CR 513) in Alexandria Township | Mechlin Corner Road | Route 173 in Union Township | |
 CR 626 | 1.21 | 1.95 | Grayrock Road in Clinton Township | Beaver Avenue | Ramp from US 22 westbound in Clinton Township | |
 CR 627 | 6.05 | 9.74 | Milford border in Holland Township | Riegelsville–Milford Road | Rieglesville–Warren Glen Road (CR 627) at the Warren County line in Holland Township | |
 CR 628 | 5.25 | 8.45 | Route 31 in Glen Gardner | Main Street, West Hill Road, Bunnvale Road | High Bridge–Califon Road (CR 513) in Lebanon Township | |
 CR 629 | 12.71 | 20.45 | Pleasant Run Road (CR 629) at the Somerset County line in Readington | Pleasant Run Road, Stanton Road, Stanton–Lebanon Road, Cherry Street | Main Street in Lebanon | Maintained by Lebanon Borough inside borough limits |
 CR 631 | 1.73 | 2.78 | Little York–Mt Pleasant Road (CR 519) and Milford–Mt Pleasant Road (CR 519) on the Alexandria/Holland township line | Little York–Mt Pleasant Road | Spring Mills Road (CR 614) on the Alexandria/Holland township line | |
 CR 633 | 0.69 | 1.11 | Route 31 in Clinton Township | Old Allerton Road | Beaver Avenue (CR 626) in Clinton Township | |
 CR 635 | 6.31 | 10.15 | Route 173 in Union Township | Charlestown Road, New Street, Main Street | Route 31 in Glen Gardner | |
 CR 637 | 0.48 | 0.77 | Readington Road (CR 620) and Dreahook Road (CR 637) in Readington Township | Readington Road | Readington Road (CR 637) and Baird Road in Readington | Travels along the Somerset/Hunterdon county line |
 CR 639 | 5.73 | 9.22 | US 22 in Lebanon | Cokesbury Road, River Road | High Bridge border in Clinton Township | |
 CR 641 | 1.32 | 2.12 | Beaver Avenue (CR 626) in Clinton Township | West Street, Dewey Avenue | Michael Lane near the High Bridge border in Clinton Township | |
 CR 643 | 2.81 | 4.52 | Route 173 in Bethlehem Township | Asbury-West Portal Road, Asbury Road | Old Main Street (CR 643) at the Warren County line Bethlehem Township | |
 CR 645 | 3.45 | 5.55 | Route 31 in Hampton | Musconecong River Road | Butler South Park Road in Lebanon Township | Formerly extended along Main Street in Hampton and Glen Gardner until 1981 [4] |
 CR 647 [7] | 0.61 | 1.0 | Route 31 in Raritan Township | Flemington Junction Road, Junction Road | Water E. Foran Boulevard (CR 523) in Raritan Township | |
 CR 649 | 0.25 | 0.40 | Old York Road on the Lambertville/West Amwell border | Old York Road | Route 179 in West Amwell | Decommissioned in 1981 [4] |
 CR 650 | 2.44 | 3.93 | Route 31 in Flemington | Vorhees Corner Road | Old York Road (CR 613) in Raritan Township | Formerly CR 514 Spur [5] |
 CR 651 | 4.53 | 7.29 | Route 29 in Kingwood Township | Byram-Kingwood Road | Kingwood–Stockton Road (CR 519) in Kingwood Township | Formerly CR 519 Spur [5] |
 CR 652 | 0.17 | 0.27 | Wescott Drive (CR 600) in Raritan Township | Gauntt Place | Route 31 in Raritan Township |
RESOLUTION - Approving "Through Street" Stop Signs to be installed at County Route 647 (Junction Road) from State Highway 31 to County Route 523.
