# List of county routes in Sussex County, New Jersey

The following is a list of county routes in Sussex 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 Sussex County:
* CR 515, CR 517, CR 519, CR 521, CR 560, CR 565

## Other county routes

| Route | Length (mi) | Length (km) | From | Via | To | Notes |
| CR 601 | 0.59 | 0.95 | Route 183 in Stanhope | Main Street | Route 183 in Stanhope | Unsigned |
| CR 602 | 2.89 | 4.65 | Route 183 in Stanhope | Brooklyn Road, Willis Avenue, Brooklyn-Stanhope Road | CR 607 in Hopatcong | |
| CR 603 | 4.59 | 7.39 | CR 517 in Green Township | Airport Road, Pequest Road, Brighton Road | US 206 in Andover Township | |
| CR 604 | 2.90 | 4.67 | CR 604 at the Warren County line in Byram Township | Waterloo Road | US 206 in Byram Township | |
| CR 605 | 8.51 | 13.70 | Stanhope line in Hopatcong | Sparta-Stanhope Road, Stanhope Road | Route 181 in Sparta | |
| CR 606 | 1.22 | 1.96 | CR 603 in Green Township | Brighton Road, High Street | US 206 in Andover | Partial access only to/from CR 517 (left turns from CR 517 north to CR 606 west and turns from CR 606 east to CR 517 provided via US 206) |
| CR 607 | 9.38 | 15.10 | US 206 in Byram Township | Lackawanna Drive, Maxim Drive, Riverstyx Road, Lakeside Boulevard | CR 602 at the Morris County line in Hopatcong | |
| CR 608 | 1.88 | 3.03 | CR 519 in Green Township | Shotwell Road | CR 611 in Green Township | |
| CR 609 | 2.69 | 4.33 | CR 607 in Hopatcong | Indian Trail, Lakeside Avenue | Northwood Road at the Morris County line in Hopatcong | |
| CR 610 | 3.95 | 6.36 | CR 521 in Stillwater Township | Main Street, Fredon Road, Stillwater Road | Route 94 in Fredon Township | |
| CR 611 | 6.60 | 10.62 | CR 517 in Green Township | Kennedy Road, Wolf's Corner Road, Greendale Road | US 206 in Andover Township | |
| CR 612 | 0.83 | 1.34 | CR 619 in Stillwater Township | Pond Brook Road | CR 521 in Stillwater Township | |
| CR 613 | 7.24 | 11.65 | CR 517 in Andover | Andover-Mohawk Road, East Shore Trail, Mohawk Avenue | Route 181 in Sparta | |
| CR 614 | 1.47 | 2.37 | Stillwater Township line in Fredon Township | Paulinskill Lake Road | Route 94 in Fredon Township | |
| CR 615 | 0.70 | 1.13 | NPS Route 615 in Sandyston Township | Kuhn Road | CR 640 in Sandyston Township | |
| CR 616 | 5.09 | 8.19 | Spring Street in Newton | Sparta Avenue, Newton-Sparta Road | CR 517 in Sparta | |
| CR 617 | 8.99 | 14.47 | CR 521 in Stillwater Township | Fairview Lake Road, Owassa Road, Mt. Benevolence Road, Mountain Road | CR 521 in Hampton Township | |
| CR 618 | 2.71 | 4.36 | Route 94 in Fredon Township | Willows Road, Fredon-Springdale Road | US 206 in Andover Township | |
| CR 619 | 3.69 | 5.94 | CR 610 in Stillwater Township | East Shore Drive | CR 622 in Hampton Township | |
| CR 620 | 5.44 | 8.75 | CR 517 in Sparta | Main Street, Glen Road | Ridge Road at the Morris County line in Sparta | |
| CR 621 | 0.49 | 0.79 | US 206 in Newton | Woodside Avenue | CR 616 in Newton | |
| CR 622 | 5.35 | 8.61 | CR 521 in Stillwater Township | Newton-Swartswood Road, Swartswood Road | CR 519 in Newton | |
| CR 623 | 4.38 | 7.05 | CR 616 in Andover Township | Lawrence Road, Sunset Inn Road | Route 15/Route 94 in Lafayette Township | |
| CR 626 | 3.74 | 6.02 | CR 521 in Hampton Township | Halsey Road | US 206 in Hampton Township | |
| CR 627 | 1.56 | 2.51 | CR 626 in Hampton Township | Branchville-Lawson Road | CR 519 / CR 655 in Frankford Township | |
| CR 628 | 2.85 | 4.59 | CR 519 in Wantage Township | Branchville-Lewisburg Road | CR 565 / CR 639 in Wantage Township | |
| CR 629 | 5.54 | 8.92 | CR 519 in Frankford Township | Wykertown Road | CR 519 in Wantage Township | |
| CR 630 | 3.27 | 5.26 | US 206 in Frankford Township | Old Union Turnpike, Main Street, Broad Street | US 206 in Frankford Township | |
| CR 631 | 2.66 | 4.28 | Route 23 in Franklin | Franklin Avenue, Church Street, Fowler Street, North Church Road | Route 94 in Hardyston Township | |
| CR 632 | 0.25 | 0.40 | Route 94 in Hamburg | Wallkill Avenue | Route 23 in Hamburg | Unsigned |
| CR 633 | 3.05 | 4.91 | CR 521 in Hampton Township | Fairview Avenue, Kemah Lake Road | US 206 in Branchville | |
| CR 635 | 3.77 | 6.07 | CR 629 in Frankford Township | Haggerty Road | CR 628 in Wantage Township | |
| CR 636 | 3.29 | 5.29 | US 206 in Sandyston Township | Upper North Shore Road | CR 519 in Frankford Township | |
| CR 637 | 2.37 | 3.81 | CR 565 in Wantage Township | Beemer Church Road | CR 629 in Frankford Township | |
| CR 638 | 2.37 | 3.81 | CR 515 in Vernon | Highland Lakes Road | Breakneck Road in Vernon | |
| CR 639 | 1.43 | 2.30 | CR 565 / CR 628 in Wantage Township | Loomis Avenue | Route 23 in Sussex | |
| CR 640 | 1.34 | 2.16 | CR 615 in Sandyston Township | Bevans Road | CR 560 in Sandyston Township | |
| CR 641 | 1.24 | 2.00 | CR 517 in Vernon | Drew Mountain Road | CR 565 in Vernon | |
| CR 642 | 2.19 | 3.52 | Route 284 in Wantage Township | Bassets Bridge Road, Owens Station Road | Lake Wallkill Road in Vernon | |
| CR 643 | 0.34 | 0.55 | Route 23 in Sussex | Main Street | Route 23 in Sussex | Unsigned |
| CR 644 | 1.41 | 2.27 | CR 517 in Vernon | Vernon Crossing | Route 94 in Vernon | |
| CR 645 | 3.85 | 6.20 | CR 560 in Sandyston Township | Layton-Hainesville Road | US 206 in Sandyston Township | |
| CR 646 | 1.58 | 2.54 | Old Mine Road in Sandyston Township | Jager Road | CR 645 in Sandyston Township | |
| CR 648 | 0.63 | 1.01 | CR 623 in Lafayette Township | Randazzo Road | CR 669 in Sparta Township | |
| CR 649 | 1.73 | 2.78 | CR 519 in Wantage Township | Lusscroft Road | CR 519 in Wantage Township | Decommissioned in 2008 |
| CR 650 | 12.86 | 20.70 | US 206/CR 521 in Montague Township | Deckertown Turnpike, Libertyville Road | Route 23 in Wantage Township | |
| CR 651 | 4.64 | 7.47 | Route 23 in Wantage Township | Unionville Road | CR 36 at the New York state line in Wantage Township | |
| CR 652 | 0.75 | 1.21 | CR 645 in Sandyston Township | Lertora Road | US 206 in Sandyston Township | |
| CR 653 | 7.25 | 11.67 | US 206 in Montague Township | Clove Road | Route 23 in Montague Township | |
| CR 654 | 0.15 | 0.24 | CR 645 in Sandyston Township | McHugh Spur | US 206 in Sandyston Township | |
| CR 655 | 2.65 | 4.26 | CR 519 / CR 627 in Frankford Township | Morris Turnpike | CR 630 in Frankford Township | |
| CR 656 | 0.57 | 0.92 | US 206 in Sandyston Township | Shaytown Road | CR 675 in Sandyston Township | |
| CR 657 | 0.17 | 0.27 | Route 23 in Hamburg | Main Street | Route 94 in Hamburg | Unsigned |
| CR 659 | 0.43 | 0.69 | Route 94 in Lafayette Township | Morris Farm Road | Route 15 in Lafayette Township | Unsigned |
| CR 661 | 7.56 | 12.17 | Route 15 in Lafayette Township | Beaver Run Road | Route 94 in Hardyston Township | |
| CR 663 | 4.38 | 7.05 | CR 616 in Newton | Hicks Avenue, Newton Warbasse Junction Road | Route 94 in Lafayette Township | |
| CR 665 | 0.66 | 1.06 | CR 642 in Vernon | Bassetts Bridge Road | Lake Wallkill Road in Vernon | |
| CR 667 | 2.10 | 3.38 | CR 565 in Vernon | Lake Wallkill Road | Glen Road West in Vernon | |
| CR 669 | 7.73 | 12.44 | US 206 in Andover | Limecrest Road, Houses Corner Road | Route 15 in Sparta | |
| CR 671 | 1.91 | 3.07 | CR 605 in Byram Township | Amity Road, Lee Hill Road | CR 613 in Byram Township | |
| CR 673 | 1.28 | 2.06 | CR 661 in Hardyston Township | Grumm Road, Blair Road | Route 23 in Wantage Township | |
| CR 675 | 3.75 | 6.04 | CR 645 in Sandyston Township | Degroat Road, Cemetery Road, New Road | CR 650 in Montague Township | |