List of county routes in Somerset County, New Jersey

Signage for CR 621 (Elizabeth Street) southbound past CR 623 (Canal Road) in South Bound Brook
CR 621 (Elizabeth Street) southbound past CR 623 (Canal Road) in South Bound Brook
Example of signage along county routes in Somerset County, at the junction of CR 518 and CR 605 in Rocky Hill

The following is a list of county routes in Somerset 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 Somerset County:[1]

Other county routes

Route[2][3] Length
(mi)[3]
Length
(km)
From Via To Notes
CR 601 7.21 11.60 Great Road and Cherry Valley Road at the Mercer County line in Montgomery Township Great Road, Belle Mead–Blawenburg Road, Trent Avenue US 206 in Montgomery Township
CR 602 0.52 0.84 Camp Meeting Avenue and CSX's Trenton Subdivision in Montgomery Township Skillman Road Belle Mead–Blawenburg Road (CR 601) and Skillman Road in Montgomery Township
CR 603 1.85 2.98 Route 27 and Heathcote Road on the Franklin/South Brunswick township line Laurel Avenue, Kingston–Rocky Hill Road Georgetown–Franklin Turnpike (CR 518) and Canal Road in Franklin Township
CR 604 1.50 2.41 Belle Meade–Blawenburg Road (CR 601) in Montgomery Township Dutchtown–Harlingen Road US 206 and Harlingen Road in Montgomery Township
CR 605 1.57 2.53 River Road (CR 605) at the Mercer County line in Montgomery Township River Road, Crescent Avenue Washington Street (CR 518) in Rocky Hill
CR 606 0.26 0.42 South Branch Road (CR 567) in Branchburg Studdiford Drive River Road (CR 625) in Hillsborough
CR 607 1.14 1.83 Route 27 on the Franklin/South Brunswick township line Old Road Dead end on the Franklin/South Brunswick township line Unsigned, follows the Franklin/South Brunswick township line; also known as Middlesex CR 618[4]
CR 608 1.67 2.69 US 206 in Hillsborough Dukes Parkway East North Main Street (CR 533) in Manville
CR 609 1.91 3.07 River Road (CR 533) in Montgomery Township Bridgepoint Road US 206 in Montgomery Township Decommissioned in 2006,[5] but still signed[6]
CR 610 1.05 1.69 Canal Road (CR 623) in South Bound Brook Edgewood Terrace Main Street (CR 527) in South Bound Brook
CR 612 1.34 2.16 Main Street (Route 28) and North Gaston Avenue (Route 28) in Somerville East Main Street East Main Street (CR 533) and Finderne Avenue (CR 533/CR 633) in Bridgewater
CR 613 5.62 9.04 Valley Road (CR 512) in Bernards Township Stonehouse Road, South Finley Avenue, North Finley Avenue, Childs Road US 202 in Bernards Township
CR 614 2.13 3.43 US 22 in Branchburg Easton Turnpike US 22 and Easton Turnpike (Route 28) in Bridgewater
CR 615 5.23 8.42 Route 27 on the Franklin/South Brunswick township line South Middlebush Road Amwell Road (CR 514) in Franklin Township
CR 616 2.79 4.49 Washington Valley Road (CR 525) and Chimney Rock Road (CR 525) in Bridgewater Washington Valley Road Washington Valley Road (CR 527) and Morning Glory Road (CR 527) in Warren Township
CR 617 1.91 3.07 Route 27 on the Franklin Township/New Brunswick border Franklin Boulevard Landing Lane (CR 609) at the Middlesex County line in Franklin Township
CR 618 3.58 5.76 Liberty Corner Road (CR 525) on the Bernards/Warren township line Mount Horeb Road Mount Bethel Road (CR 651) in Warren Township Designated by the New Jersey Department of Transportation as CR 607[7]
CR 619 3.05 4.91 Amwell Road (CR 514) in Franklin Township Cedar Grove Lane Easton Avenue (CR 527) in Franklin Township
CR 620 9.24 14.87 Rattlesnake Bridge Road (CR 665) in Bedminster Burnt Mills Road, Washington Valley Road Mt Horeb Road (CR 525) and Washington Valley Road (CR 525) in Bridgewater
CR 621 4.30 6.92 Amwell Road (CR 514) in Franklin Township Elizabeth Avenue, Elizabeth Street Canal Road (CR 623) in South Bound Brook
CR 622 1.46 2.35 Stirling Road (CR 653) in Warren Township Mountain Avenue Mountain Avenue (CR 622) at the Union County line in Warren Township
CR 623 4.15 6.68 South Main Street (CR 533) in Manville Wilhousky Street, Manville Causeway, Weston Canal Road, Canal Road Main Street (CR 527) in South Bound Brook
CR 624 1.03 1.66 Mount Airy Road (CR 525) in Bernards Township West Oak Street, East Oak Street South Maple Avenue (CR 657) and North Maple Avenue (CR 657) in Bernards Township
CR 625 8.27 13.31 Amwell Road (CR 514) in Hillsborough Marshall Road, South Branch Road, River Road, Lyman Street First Avenue (CR 567) and Somerset Street (CR 567/CR 626) in Raritan
CR 626 1.04 1.67 First Avenue CR 567, Somerset Street (CR 567), and Lyman Street (CR 625) in Raritan Somerset Street West End Avenue (Route 28) in Somerville
CR 627 3.34 5.38 South Branch Road (CR 625) in Hillsborough New Centre Road Roycefield Road and Dukes Parkway West in Hillsborough
CR 628 0.09 0.14 Main Street (CR 671) and Old Chester Road (CR 671) in Peapack-Gladstone Jackson Avenue Mendham Road (CR 647) in Peapack-Gladstone
CR 629 1.70 2.74 Pleasant Run Road (CR 567) and South Branch Road (CR 567) in Branchburg Pleasant Run Road Pleasant Run Road (CR 629) at the Hunterdon County line in Branchburg
CR 630 2.71 4.36 US 206 in Montgomery Township Belle Mead–Griggstown Road, Griggstown Road River Road (CR 533) in Montgomery Township
CR 631 0.34 0.55 US 22 in North Plainfield Somerset Street, Johnston Drive Watchung Avenue (CR 531) in Watchung
CR 632 3.28 5.28 River Road (CR 533) in Montgomery Township Griggstown Causeway, Canal Road, Bunkerhill Road Route 27 on the Franklin/South Brunswick township line
CR 633 0.93 1.50 Finderne Avenue (CR 533) and East Main Street (CR 533/CR 612) in Bridgewater Finderne Avenue US 22 in Bridgewater
CR 634 3.24 5.21 Sebrings Mills Road in Green Brook Greenbrook Road, Warrenville Road Rock Avenue (CR 645) on the Green Brook/North Plainfield border
CR 635 0.48 0.77 Talmage Avenue (CR 533) in Bound Brook Vosseller Avenue Union Avenue (Route 28) in Bound Brook
CR 636 1.97 3.17 Rock Avenue (CR 645) on the Green Brook/North Plainfield border Greenbrook Road Mountain Avenue (CR 531) in North Plainfield
CR 637 4.80 7.72 Old York Road (CR 567) and South Branch Road (CR 567) in Branchburg Old York Road, Dreahook Road, Readington Road, Raritan Valley College Road Easton Turnpike (CR 614) in Branchburg
CR 638 0.36 0.58 Washington Valley Road (CR 527) and Mountain Boulevard (CR 527) in Warren Township Washington Valley Road Extension Warrenville Road (CR 651) in Warren Township
CR 639 2.61 4.20 Pannone Drive and Grove Street in Bridgewater North Bridge Street, Foothill Road US 202/US 206 in Bridgewater
CR 640 2.26 3.64 Church Street (CR 512) and Valley Road (CR 512) in Bernards Township Lyons Road, South Finley Avenue Stonehouse Road (CR 613) and South Finley Avenue (CR 613) in Bernards Township
CR 641 2.39 3.85 Easton Turnpike (CR 614) in Branchburg Burnt Mills Road, Cowperthwaite Road Burnt Mills Road (CR 620) in Bedminster
CR 642 1.51 2.43 Somerset Street (CR 531) in North Plainfield Mountain Avenue US 22 in North Plainfield
CR 643 0.80 1.29 Somerset Street (CR 626) in Somerville Mountain Avenue US 22 on the Bridgewater/Somerville border
CR 644 0.39 0.63 Dead end in Raritan Frelinghuysen Avenue West End Avenue (Route 28) on the Raritan/Bridgewater border
CR 645 0.64 1.03 Rock Avenue at the Union County line on the Green Brook/North Plainfield border Rock Avenue US 22 on the Green Brook/North Plainfield border
CR 646 0.56 0.90 US 202 in Branchburg Chubb Way South Branch Road (CR 567) in Branchburg
CR 647 1.06 1.71 Main Street (CR 512) in Peapack-Gladstone Mendham Road Mendham Road at the Morris County line in Peapack-Gladstone
CR 648 1.34 2.16 Route 27 on the Franklin/South Brunswick township line Claremont Road South Middlebush Road (CR 615) in Franklin Township
CR 649 0.95 1.53 Grant Avenue at Union County line in North Plainfield West End Avenue US 22 in North Plainfield
CR 650 0.82 1.32 Dead end in Hillsborough Schilke Lane, Amwell Road Millstone River Road (CR 533) in Millstone
CR 651 6.13 9.87 Warrenville Road at the Middlesex County line in Green Brook Warrenville Road, Mount Bethel Road, King George Road Valley Road (CR 512) in Bernards Township
CR 652 4.66 7.50 I-287 in Bedminster Schley Mountain Road, Allen Road Martinsville Road (CR 525) in Bernards Township One sign at each east/west terminus as of 2025
CR 653 3.02 4.86 Mountain Boulevard (CR 527), Somerset Street (CR 531), Valley Road (CR 527), and Hillcrest Road (CR 531) at the Watchung Circle in Watchung Stirling Road Plainfield Road (CR 606) at the Morris County line in Warren Township
CR 654 0.23 0.37 East Main Street (CR 533) in Bound Brook East High Street, Veterans Memorial Drive East Street (CR 689) in Bound Brook
CR 655 0.82 1.32 Park Avenue (Union CR 655) and Bonnie Burn Road at the Union County line in Watchung New Providence Road Diamond Hill Road (Union CR 655) at the Union County line in Watchung
CR 656 0.07 0.11 Route 27 in Franklin Township Andover Drive Old Road (CR 607) on the Franklin/South Brunswick township line Unsigned
CR 657 2.07 3.33 Basking Ridge Road (Morris CR 657) at the Morris County line in Bernards Township South Maple Avenue East Oak Street (CR 624) in Bernards Township
CR 658 0.26 0.42 Millstone River Road (CR 533) in Hillsborough Blackwells Mills Road Canal Road in Franklin Township
CR 659 2.48 3.99 Claremont Road (CR 525) and Mendham Road (CR 525) in Bernardsville Claremont Road, Turnbull Lane, Dryden Road Bliss Road at the Morris County line in Bernardsville
CR 660 0.07 0.11 Amwell Road (CR 514) in Hillsborough Byara Court Dead end in Hillsborough Unsigned
CR 661 0.45 0.72 US 206 in Peapack-Gladstone Holland Avenue Main Street (CR 512) in Peapack-Gladstone
CR 662 0.27 0.43 Dead end in Hillsborough Brower Lane Dead end in Hillsborough Unsigned
CR 663 0.06 0.10 Ramp to US 22 at the Union County line in Watchung Union Avenue New Providence Road (CR 655) in Watchung
CR 665 4.15 6.68 Easton Turnpike (CR 614) in Branchburg Lamington Road, Rattlesnake Bridge Road Lamington Road (CR 523) in Bedminster Former CR 523 Spur
CR 667 0.99 1.59 River Road (CR 567) in Hillsborough Elm Street, Maple Avenue, Pleasant Run Road River Road (CR 567) and Pleasant Run Road (CR 567) in Branchburg
CR 671 0.83 1.34 Main Street (CR 512) and Pottersville Road (CR 512) in Peapack-Gladstone Main Street, Old Chester Road Old Chester Road at the Morris County line in Peapack-Gladstone
CR 673 0.95 1.53 North Bridge Street (CR 639) and Prince Rodgers Avenue in Bridgewater Vogt Drive North Gaston Avenue in Bridgewater
CR 675 1.94 3.12 Dead end in Bridgewater Polhemus Lane, Chimney Rock Road Chimney Rock Road (CR 525) and Thompson Avenue (CR 525) in Bridgewater
CR 677 0.70 1.13 Amwell Road (CR 514) in Hillsborough East Mountain Road South Branch Road (CR 625) in Hillsborough
CR 679 1.56 2.51 Readington Road (CR 637) in Branchburg Station Road Easton Turnpike (CR 614) in Branchburg
CR 681 0.10 0.16 Schilke Drive (CR 650) and Amwell Road (CR 650) in Hillsborough Amsterdam Drive Amwell Road (CR 514) in Hillsborough
CR 683 0.52 0.84 East Main Street (CR 533) in Bridgewater Foothill Road Chimney Rock Road (CR 675) in Bridgewater
CR 685 0.66 1.06 East Main Street (CR 533) in Bridgewater Promenade Boulevard Union Avenue (Route 28) in Bridgewater
CR 687 0.53 0.85 Talmage Avenue (CR 533) in Bound Brook Tea Street East Main Street (Route 28) in Bound Brook
CR 689 0.34 0.55 East Main Street (CR 527/CR 533) in Bound Brook Bolmer Boulevard, East Street Union Avenue (Route 28) in Bound Brook
CR 691 0.08 0.13 South Middlebush Road (CR 615) in Franklin Township South Middlebush Road Extension Dead end in Franklin Township Unsigned
CR 693 0.06 0.10 Amwell Road (CR 514) in Hillsborough Service Road Brower Lane (CR 662) in Hillsborough Unsigned
CR 695 0.9 1.45 Bonnie Burn Road and US 22 at the Union County line in Watchung Bonnie Burn Road Valley Road (CR 527) and Plainfield Avenue (CR 641) in Watchung Assigned in October 2023 to replace the former southern segment of CR 641[8]

See also

References

  1. ^ "500 Series Routes straight line diagram" (PDF). New Jersey Department of Transportation. Retrieved May 23, 2012.
  2. ^ "County Routes by Municipality". Somerset County, New Jersey. Retrieved September 16, 2019.
  3. ^ a b "Somerset County straight line diagram" (PDF). New Jersey Department of Transportation. March 2019. Retrieved September 8, 2019.
  4. ^ "Middlesex County Route 618 Straight Line Diagram" (PDF). NJDOT. March 2019. Retrieved September 9, 2019.
  5. ^ "October 6, 2006 Minutes of the Somerset County Board of Chosen Freeholders Meeting" (PDF). October 6, 2006. pp. 4–9. Retrieved September 8, 2019.
  6. ^ "Google Maps".
  7. ^ "Somseret County Route 607 Straight Line Diagram" (PDF). NJDOT. March 2019. Retrieved September 9, 2019.
  8. ^ "October 10, 2023 Meeting Minutes". somerset.nj.us. Board of County Commissioners of the County of Somerset, New Jersey. October 24, 2023. Retrieved March 13, 2025.