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The following is a list of county routes in Mercer 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 Mercer County: [1]
Route | Length (mi) [2] | Length (km) | From | Via | To | Notes |
---|---|---|---|---|---|---|
![]() | 1.69 | 2.72 | Bear Tavern Road (CR 579) in Ewing | Sam Weinroth Road | Scotch Road (CR 611) in Ewing | |
![]() | 0.37 | 0.60 | Bear Tavern Road (CR 579) in Ewing | Sam Weinroth Road | Unnamed road in Ewing | Merged with CR 600 |
![]() | 0.64 | 1.03 | Old Trenton Road (CR 535) in West Windsor | South Post Road | Dead end in West Windsor | |
![]() | 2.95 | 4.75 | Carter Road (CR 569) in Lawrence Township | Rosedale Road, Elm Road | Stockton Street (US 206) in Princeton | |
![]() | 0.76 | 1.22 | Route 27 in Princeton | River Road | River Road (CR 605) at the Somerset County line in Princeton | |
![]() | 3.57 | 5.75 | South Broad Street (US 206) in Trenton | Hamilton Avenue | Nottingham Way (Route 33) in Hamilton | |
![]() | 0.37 | 0.60 | North Mill Road in West Windsor | Hendrickson Drive | Princeton–Hightstown Road (CR 571) in West Windsor | |
![]() | 0.77 | 1.24 | Lawrence Station Road in Lawrence Township | Lawrence Station Road | Quakerbridge Road (CR 533) in Lawrence Township | |
![]() | 0.68 | 1.09 | Main Street in Hamilton | Church Street | South Broad Street (CR 524/CR 672) in Hamilton | |
![]() | 3.55 | 5.71 | Parkway Avenue (CR 634) in Ewing | Scotch Road | Washington Crossing–Pennington Road (CR 546) in Hopewell Township | |
![]() | 2.45 | 3.94 | Pennington–Hopewell Road (CR 654) in Hopewell Township | Marshalls Corner-Woodsville Road | Woodsville Road at the Hunterdon County line in Hopewell Township | |
![]() | 1.28 | 2.06 | US 206 southbound on the Ewing/Lawrence Township/Trenton tri-point border | Spruce Street | Ewingville Road (CR 636) and Parkside Avenue (CR 636) in Ewing | |
![]() | 0.97 | 1.56 | Trenton border in Hamilton | Nottingham Way | Greenwood Avenue (Route 33) and Nottingham Way (Route 33) in Hamilton | |
![]() | 1.85 | 2.98 | Princeton–Hightstown Road (Route 64/CR 571) in West Windsor | Cranbury Road | Cranbury Neck Road (CR 615) at the Middlesex County line in West Windsor | |
![]() | 1.35 | 2.17 | East State Street (CR 535) in Hamilton | Whitehead Road | Brunswick Pike (Business US 1) in Lawrence Township | |
![]() | 2.81 | 4.52 | Quakerbridge Road (CR 533), White Horse Avenue (CR 533), and Edinburg Road (CR 535) in Hamilton | Nottingham Way | Route 33 in Hamilton | |
![]() | 1.75 | 2.82 | Hamilton Avenue (CR 606) in Hamilton | Kuser Road | White Horse Avenue (CR 533) in Hamilton | |
![]() | 2.13 | 3.43 | Olden Avenue (CR 622) in Hamilton | Arena Drive | I-195 and South Broad Street (CR 524) in Hamilton | |
![]() | 6.33 | 10.19 | Parkway Avenue (CR 634) in Ewing | Olden Avenue | Arena Drive (CR 620) in Hamilton | |
![]() | 2.87 | 4.62 | Bear Tavern Road (CR 579) and Trenton-Harbourton Road (CR 579) in Hopewell Township | Pennington–Harbourton Road | Route 31 in Pennington | |
![]() | 1.98 | 3.19 | Eglantine Avenue in Pennington | East Delaware Avenue, Pennington–Rocky Hill Road | Titus Mill Road in Hopewell Township | |
![]() | 2.21 | 3.56 | Pennington–Rocky Hill Road (CR 624) in Hopewell Township | Elm Ridge Road | Carter Road (CR 569) in Hopewell Township | |
![]() | 2.07 | 3.33 | Assunpink Creek Bridge in Trenton | Chambers Street | South Broad Street (US 206) in Hamilton | |
![]() | 1.25 | 2.01 | Parkway Avenue (CR 634) on the Trenton/Ewing border | Prospect Street | Spruce Street (CR 613) in Ewing | |
![]() | 1.13 | 1.82 | US 1 in West Windsor | North Harrison Street | End of the county maintenance in Princeton | |
![]() | 1.10 | 1.77 | Old York Road (CR 539) in East Windsor | Windsor–Perrineville Road, Imlaystown Road | Imlaystown Road at the Monmouth County line in East Windsor | |
![]() | 0.77 | 1.24 | Washington Crossing–Pennington Road (CR 546) in Hopewell Township | Ingleside Avenue | South Main Street (CR 640) in Pennington | |
![]() | 1.00 | 1.61 | Pennington Road (CR 640) in Hopewell Township | Pennington–Lawerence Road, Blackwell Road | Benjamin Trail in Hopewell Township | |
![]() | 1.00 | 1.61 | North Main Street (CR 539) in Hightstown | Monmouth Street | Route 33 in East Windsor | |
![]() | 4.93 | 7.93 | West Upper Ferry Road (Route 175) in Ewing | West Upper Ferry Road, Parkway Avenue | Ingham Avenue on the Trenton/Ewing border | |
![]() | 1.13 | 1.82 | North Clinton Avenue and South Clinton Avenue in Trenton | East State Street | East State Street (CR 535), North Logan Avenue, and South Logan Avenue on the Trenton/Hamilton border | |
![]() | 5.71 | 9.19 | West State Street in Trenton | Parkside Avenue, Ewingville Road, Upper Ferry Road | Scotch Road (CR 611) in Ewing | |
![]() | 2.60 | 4.18 | River Road (Route 29) in Ewing | Jacobs Creek Road, Bear Tavern Road, Jacobs Creek Road | Washington Crossing–Pennington Road (CR 546) in Hopewell Township | |
![]() | 5.03 | 8.10 | US 1 in Lawrence Township | Grovers Mill Road, Clarksville Road | Cranbury Road (CR 615) in West Windsor | |
![]() | 0.33 | 0.53 | Olden Avenue (CR 622) in Ewing | Arctic Parkway | Spruce Street (CR 613) in Ewing | |
![]() | 2.23 | 3.59 | Pennington Road (Route 31), Washington Crossing–Pennington Road (CR 546), and Blackwell Road (CR 546) in Hopewell Township | Pennington Road, South Main Street, North Main Street | Route 31 in Hopewell Township | |
![]() | 2.20 | 3.54 | Old Trenton Road (CR 526/CR 535) and Edinburg Road (CR 526) in West Windsor | Windsor Road, Church Street | US 130 in Robbinsville | |
![]() | 4.13 | 6.65 | River Road (Route 29) in Ewing | Lower Ferry Road | Reed Road on the Ewing/Hopewell township line | |
![]() | 0.81 | 1.30 | Edinburg Road (CR 526) in West Windsor | New Village Road, Village Road East | Old Trenton Road (CR 535) in West Windsor | |
![]() | 0.21 | 0.34 | Princeton Avenue (US 206) in Lawrence Township | Brunswick Circle Extension | US 206 and Business US 1 at the Brunswick Circle in Lawrence Township | |
![]() | 1.78 | 2.86 | Bear Tavern Road (CR 579) in Ewing | Nursery Road | Scotch Road (CR 611) in Hopewell Township | |
![]() | 0.62 | 1.00 | Ewingville Road (CR 636) in Ewing | Whitehead Road Extension | Dead end in Ewing | |
![]() | 1.64 | 2.64 | Whitehead Road (CR 616) in Hamilton | Sweet Briar Avenue, Sloan Avenue | I-295 in Hamilton | |
![]() | 1.20 | 1.93 | Lamberton Street in Trenton | Lalor Street | South Broad Street (US 206) in Hamilton | |
![]() | 0.13 | 0.21 | Nottingham Way (Route 33) in Hamilton | Nottingham Way | Nottingham Way (CR 535) in Hamilton | |
![]() | 1.53 | 2.46 | West State Street in Trenton | Calhoun Street | Princeton Avenue (US 206) in Trenton | |
![]() | 3.05 | 4.91 | Route 31 in Hopewell Township | Pennington–Hopewell Road | Louellen Street (CR 518) and West Broad Street (CR 518) in Hopewell | |
![]() | 2.17 | 3.49 | Church Street (CR 660) at the Burlington County line in Hamilton | Church Street, South Broad Street | South Broad Street (CR 524) and Yardville–Hamilton Square Road in Hamilton |