In addition to those listed below, the following 500-series county routes serve Morris County:[1]
| Route | Length
(mi)[2] | Length
(km) | From | Via | To | Notes |
|---|
| {{sort|601| CR 601}} | 3.77|mi|km|2|disp=table|sortable=on}} | CR 646 in Harding Township | Spring Valley Road, South Street | Route 124 in Morristown |
| {{sort|602| CR 602}} | 0.51|mi|km|2|disp=table|sortable=on}} | CR 631 in Roxbury Township | Lakeside Boulevard | CR 607 at the Sussex County line in Roxbury Township |
| {{sort|603| CR 603}} | 3.77|mi|km|2|disp=table|sortable=on}} | Broadway/Lakespur Dr. in Denville Township | Diamond Spring Road, River Road, Bush Road, Boonton Road, Old Denville Road | CR 618 in Boonton Township |
| {{sort|604| CR 604}} | 4.02|mi|km|2|disp=table|sortable=on}} | CR 638 in Long Hill Township | New Vernon Road, Long Hill Road | CR 663 in Harding Township |
| {{sort|605| CR 605}} | 1.00|mi|km|2|disp=table|sortable=on}} | CR 512 in Long Hill Township | Division Avenue, Long Hill Road | CR 657 in Long Hill Township |
| {{sort|606| CR 606}} | 0.22|mi|km|2|disp=table|sortable=on}} | CR 653 at the Somerset County line in Long Hill Township | Plainfield Road | CR 512 in Long Hill Township |
| {{sort|607| CR 607}} | 1.63|mi|km|2|disp=table|sortable=on}} | Route 124 in Chatham | North Passaic Avenue, Passaic Avenue | CR 607 at the Essex County line in Florham Park |
| {{sort|608| CR 608}} | 2.60|mi|km|2|disp=table|sortable=on}} | Route 124 in Madison | Central Avenue, Ridgedale Avenue | CR 510/632 in Florham Park |
| {{sort|609| CR 609}} | 1.55|mi|km|2|disp=table|sortable=on}} | CR 510 in Florham Park | Hanover Road | CR 610 in East Hanover Township |
| {{sort|610| CR 610}} | 1.02|mi|km|2|disp=table|sortable=on}} | Route 10 in East Hanover Township | Mt. Pleasant Avenue | CR 610 at the Essex County line in East Hanover Township |
| {{sort|611| CR 611}} | 0.68|mi|km|2|disp=table|sortable=on}} | CR 632 in East Hanover Township | Eagle Rock Avenue | CR 611 at the Essex County line in East Hanover Township |
| {{sort|612| CR 612}} | 1.08|mi|km|2|disp=table|sortable=on}} | CR 625 in Mount Olive Township | Flanders-Bartley Road | US 206/CR 613 in Mount Olive Township |
| {{sort|613| CR 613}} | 3.61|mi|km|2|disp=table|sortable=on}} | US 206/CR 612 in Mount Olive Township | Flanders-Bartley Road, Main Road, Flanders-Netcong Road, Drakesdale Road | US 206 in Mount Olive Township |
| {{sort|614| CR 614}} | 2.53|mi|km|2|disp=table|sortable=on}} | CR 510/525 in Mendham Borough | Mountain Avenue, Calais Road | Dead end in Mendham Township |
| {{sort|615| CR 615}} | 7.49|mi|km|2|disp=table|sortable=on}} | US 46 in Roxbury Township | Howard Boulevard, Espanong Road, Edison Road | Route 15 in Jefferson Township |
| {{sort|616| CR 616}} | 2.61|mi|km|2|disp=table|sortable=on}} | CR 631 in Roxbury Township | Shippenport Road, Mt. Arlington Avenue, Windermere Avenue, Altenbrand Avenue | CR 615 in Mount Arlington |
| {{sort|617| CR 617}} | 9.39|mi|km|2|disp=table|sortable=on}} | US 202 in Morristown | Sussex Turnpike | Route 10 in Randolph |
| {{sort|618| CR 618}} | 12.03|mi|km|2|disp=table|sortable=on}} | US 46 in Mountain Lakes | Boulevard, Powerville Road, Kinnelon Road, Kiel Avenue | CR 511 in Butler |
| {{sort|619| CR 619}} | 3.76|mi|km|2|disp=table|sortable=on}} | CR 613 in Mount Olive Township | North Road, Hillside Avenue | Main Street in Roxbury Township |
| {{sort|620| CR 620}} | 0.50|mi|km|2|disp=table|sortable=on}} | US 46 in Roxbury Township | Mt. Arlington Road | CR 615 in Roxbury Township |
| {{sort|621| CR 621}} | 4.65|mi|km|2|disp=table|sortable=on}} | US 46 in Montville | Change Bridge Road | US 202 in Montville |
| {{sort|622| CR 622}} | 0.26|mi|km|2|disp=table|sortable=on}} | CR 511 in Hanover Township | Whippany Road | Route 10 in Hanover Township |
{{sort|622 Alternate|
CR 622 Alt.}} | 0.12|mi|km|2|disp=table|sortable=on}} | CR 511 in Hanover Township | Mt. Pleasant Avenue | Route 10 in Hanover Township |
| {{sort|623| CR 623}} | 3.62|mi|km|2|disp=table|sortable=on}} | Route 124 in Madison | Park Avenue | CR 511 in Hanover Township/Morris Township |
| {{sort|624| CR 624}} | 0.80|mi|km|2|disp=table|sortable=on}} | CR 618 in Boonton | West Main Street, Main Street | CR 511 in Boonton |
{{sort|624 Alternate|
CR 624 Alt.}} | 0.11|mi|km|2|disp=table|sortable=on}} | CR 618 in Boonton | West Main Street | CR 624 in Boonton |
| {{sort|625| CR 625}} | 4.22|mi|km|2|disp=table|sortable=on}} | CR 513 in Washington Township | Bartley Road, Chester Avenue | US 206 in Mount Olive Township |
| {{sort|628| CR 628}} | 0.62|mi|km|2|disp=table|sortable=on}} | CR 646 in Chatham Township | Shunkpike Road | CR 636 in Chatham Township/Madison |
| {{sort|630| CR 630}} | 0.51|mi|km|2|disp=table|sortable=on}} | US 202/CR 511 in Parsippany-Troy Hills | Littleton Road | Smith Road in Parsippany-Troy Hills |
| {{sort|631| CR 631}} | 4.02|mi|km|2|disp=table|sortable=on}} | Route 183 in Netcong | Allen Street, Center Street, Lakeside Boulevard, Landing Road | US 46 in Roxbury Township |
| {{sort|632| CR 632}} | 6.23|mi|km|2|disp=table|sortable=on}} | CR 510/608 in Florham Park | Ridgedale Avenue | I-280 in Parsippany-Troy Hills |
| {{sort|633| CR 633}} | 0.19|mi|km|2|disp=table|sortable=on}} | US 202 in Lincoln Park | Main Street, Comly Road | CR 511 Alt. in Lincoln Park |
{{sort|633 Alternate|
CR 633 Alt.}} | 0.10|mi|km|2|disp=table|sortable=on}} | US 202 in Lincoln Park | Chapel Hill Road | CR 633 in Lincoln Park |
| {{sort|634| CR 634}} | 2.11|mi|km|2|disp=table|sortable=on}} | US 46 in Wharton | South Main Street, North Main Street | Route 15 in Wharton |
| {{sort|635| CR 635}} | 0.57|mi|km|2|disp=table|sortable=on}} | CR 511 Alt. in Pequannock Township | Lincoln Park Road | CR 504 in Pequannock Township |
| {{sort|636| CR 636}} | 1.78|mi|km|2|disp=table|sortable=on}} | CR 601 in Chatham Township | Loantaka Way | Route 124 in Madison |
| {{sort|637| CR 637}} | 3.62|mi|km|2|disp=table|sortable=on}} | Route 10 in Hanover Township | Troy Hills Road, South Beverwyck Road | US 46 in Parsippany-Troy Hills |
| {{sort|638| CR 638}} | 8.04|mi|km|2|disp=table|sortable=on}} | CR 512/531 in Long Hill Township | Mountain Avenue, Meyersville Road, Fairmount Avenue | Route 124 in Chatham Borough |
| {{sort|640| CR 640}} | 0.91|mi|km|2|disp=table|sortable=on}} | CR 662 in Mine Hill Township | Randolph Avenue | US 46 in Mine Hill Township |
| {{sort|642| CR 642}} | 5.00|mi|km|2|disp=table|sortable=on}} | Main Street in Roxbury Township | Kenvil Avenue, Berkshire Valley Road, Dewey Avenue, W. Dewey Avenue, E. Dewey Avenue | Route 15 in Wharton |
| {{sort|643| CR 643}} | 1.39|mi|km|2|disp=table|sortable=on}} | Route 10 in Randolph | South Morris Street | US 46 in Dover |
| {{sort|644| CR 644}} | 0.96|mi|km|2|disp=table|sortable=on}} | CR 513 in Rockaway | East Main Street | US 46 in Rockaway |
| {{sort|646| CR 646}} | 12.88|mi|km|2|disp=table|sortable=on}} | CR 510 in Mendham | Tempe Wick Road, Glen Alpin Road, Village Road, Green Village Road, Shunpike Road, Watchung Avenue | CR 649 at Union County line in Chatham |
| {{sort|647| CR 647}} | 4.39|mi|km|2|disp=table|sortable=on}} | CR 647 at the Union County line in Chatham Township | River Road, Southern Boulevard, Green Village Road | Route 124 in Madison |
| {{sort|648| CR 648}} | 0.15|mi|km|2|disp=table|sortable=on}} | Dead end in Morristown | Court Street | CR 510 in Morristown |
| {{sort|649| CR 649}} | 1.41|mi|km|2|disp=table|sortable=on}} | US 46 in Mount Olive Township | Sand Shore Road, Netcong Road | US 46 in Mount Olive Township |
| {{sort|650| CR 650}} | 7.46|mi|km|2|disp=table|sortable=on}} | CR 617 in Randolph | West Hanover Avenue, Hanover Avenue | CR 511 in Hanover Township/Morris Township |
| {{sort|651| CR 651}} | 0.50|mi|km|2|disp=table|sortable=on}} | CR 511 Alt. in Riverdale | Riverdale Road | Riverdale Road at the Passaic County line in Riverdale |
| {{sort|652| CR 652}} | 0.26|mi|km|2|disp=table|sortable=on}} | CR 613 in Mount Olive Township | Park Pl. | CR 619 in Mount Olive Township |
| {{sort|654| CR 654}} | 0.66|mi|km|2|disp=table|sortable=on}} | US 202/Interstate 80 in Parsippany-Troy Hills | Cherry Hill Road | US 46 in Parsippany-Troy Hills |
| {{sort|655| CR 655}} | 0.37|mi|km|2|disp=table|sortable=on}} | US 202 in Montville | Whitehall Road | US 202 in Montville |
{{sort|655 Alternate|
CR 655 Alt.}} | 1.03|mi|km|2|disp=table|sortable=on}} | US 202 in Montville | Main Street, Bellows Ln. | Dead end in Montville |
| {{sort|656| CR 656}} | 0.86|mi|km|2|disp=table|sortable=on}} | Route 10 in Randolph | Millbrook Avenue | CR 643 in Dover |
| {{sort|657| CR 657}} | 2.64|mi|km|2|disp=table|sortable=on}} | CR 657 at the Somerset County line in Long Hill Township | Basking Ridge Road, Long Hill Road | CR 638 in Long Hill Township |
| {{sort|659| CR 659}} | 0.46|mi|km|2|disp=table|sortable=on}} | US 46 in Dover | West Blackwell Street | CR 513 in Dover |
| {{sort|660| CR 660}} | 1.80|mi|km|2|disp=table|sortable=on}} | CR 504 in Pequannock Township | Pompton Turnpike | Route 23 in Pequannock Township |
| {{sort|661| CR 661}} | 2.83|mi|km|2|disp=table|sortable=on}} | US 46/Route 15 in Dover | Mt. Hope Avenue | CR 664 in Rockaway Township |
| {{sort|662| CR 662}} | 1.14|mi|km|2|disp=table|sortable=on}} | CR 669 in Mine Hill Township | Randolph Avenue | CR 513 in Randolph |
| {{sort|663| CR 663}} | 6.58|mi|km|2|disp=table|sortable=on}} | Madisonville Road at Somerset County line in Harding Township | Lees Hill Road, Blue Hill Road, James Street | Route 124 in Morristown |
| {{sort|664| CR 664}} | 5.59|mi|km|2|disp=table|sortable=on}} | CR 513 in Rockaway | Wall Street, Academy Street, Mt. Hope Road | Snake Hill Road in Rockaway Township |
| {{sort|665| CR 665}} | 1.10|mi|km|2|disp=table|sortable=on}} | Route 10 in Randolph | South Salem Street | CR 513 in Dover | Formerly CR 666, renumbered due to sign theft.[3] |
| {{sort|667| CR 667}} | 2.03|mi|km|2|disp=table|sortable=on}} | US 46 in Mount Olive Township | Mt. Olive Road, Flanders Road | CR 613 in Mount Olive Township |
| {{sort|668| CR 668}} | 0.19|mi|km|2|disp=table|sortable=on}} | CR 650 in Hanover Township | Highview Avenue | Dead end in Hanover Township |
| {{sort|669| CR 669}} | 1.90|mi|km|2|disp=table|sortable=on}} | Route 10 in Randolph | Canfield Avenue | US 46 in Mine Hill Township |
| {{sort|670| CR 670}} | 3.90|mi|km|2|disp=table|sortable=on}} | CR 617 in Randolph | Millbrook Avenue, Schoolhouse Road, Center Grove Road, Van Nostrano Avenue | CR 513 in Dover |
| {{sort|671| CR 671}} | 3.89|mi|km|2|disp=table|sortable=on}} | CR 671 at the Somerset County line in Chester Township | Old Chester-Gladstone Road, Old Gladstone Road | US 206 in Chester Borough |
| {{sort|680| CR 680}} | 0.74|mi|km|2|disp=table|sortable=on}} | CR 660 in Pequannock Township | Jackson Avenue | CR 680 at the Passaic County line in Pequannock Township |
| {{sort|694| CR 694}} | 0.95|mi|km|2|disp=table|sortable=on}} | CR 694 at the Passaic County line in Riverdale | Paterson-Hamburg Turnpike | CR 511 Alt. in Riverdale |
| {{sort|699| CR 699}} | 9.26|mi|km|2|disp=table|sortable=on}} | Route 15 in Jefferson Township | Berkshire Valley Road | CR 699 at the Passaic County line in Jefferson Township |
1. ^{{cite web|url=http://www.state.nj.us/transportation/refdata/sldiag/500%20Routes.pdf|title=500 Series Routes straight line diagram|publisher=New Jersey Department of Transportation|accessdate=May 23, 2012}}
2. ^{{cite web|url=http://www.state.nj.us/transportation/refdata/sldiag/Morris.pdf|title=Morris County straight line diagram|publisher=New Jersey Department of Transportation|accessdate=June 2, 2012}}
3. ^{{cite news|title=Thefts of '666' road sign bedeviling N.J. officials|agency=Associated Press|publisher=NBC News|date=September 29, 2008|url=http://www.nbcnews.com/id/26948424/?gt1=43001#.Urd9gfJc0mw|accessdate=December 23, 2013}}
{{NJCR}}