State Highways of New Jersey

SR 523 begins in downtown Stockton, on the Delaware River, and heads in a generally northeasterly direction through Flemington and Whitehouse to Bedminster. The highway is under municipal jurisdiction through Flemington and parts of Raritan Township, where it is not well signed; the NJDOT straight-line diagram takes the highway along Park Street, which is on the back side of the Hunterdon County courthouse, but it almost makes more sense to pass in front of the courthouse on Main Street.

Mile Street Name Feature

Road continues northward as US 202

29.07 Northern terminus of , Bedminster Twp, Somerset Co

29.07 Lamington Rd Hillside Ave Signal Hillside Ave

28.83 Lamington Rd Signal

24.77 Lamington Rd Rattlesnake Bridge Rd CR 665

24.36 Lamington Rd Bedminster Twp, Somerset Co
Tewksbury Twp, Hunterdon Co

24.36 Lamington Rd Lamington River bridge Lamington River

23.20 Lamington Rd High St Signal

22.12 Oldwick Rd Ramp to I-78 west Signal Ramp from I-78 west

22.09 Oldwick Rd underpass

22.04 Oldwick Rd Ramp from I-78 east Signal Ramp to I-78 east

21.47 Oldwick Rd Tewksbury Twp, Hunterdon Co
Readington Twp, Hunterdon Co

21.37 Oldwick Rd Branch Rockaway Creek bridge Branch Rockaway Creek

21.01 Oldwick Rd Plant entrance underpass

20.07 Oldwick Rd Hunterdon Co jurisdiction
NJDOT jurisdiction

20.07 Oldwick Rd Easton Tpk Signal

20.00 Easton Tpk Rockaway Creek bridge Rockaway Creek

19.89 Main St Signal Easton Tpk

19.89 Main St NJDOT jurisdiction
Hunterdon Co jurisdiction

19.35 Main St Jersey Central Railroad at grade Jersey Central Railroad

18.11 Flemington-Whitehouse Rd Readington Rd CR 620

15.32 Flemington-Whitehouse Rd CR 629 Stanton Rd Pleasant Run Rd CR 629

15.30 Flemington-Whitehouse Rd Pleasant Run culvert Pleasant Run

12.75 Flemington-Whitehouse Rd Readington Twp, Hunterdon Co
Raritan Twp, Hunterdon Co

12.75 Flemington-Whitehouse Rd South Branch Raritan River bridge South Branch Raritan River

12.27 Flemington-Whitehouse Rd Lehigh Valley Railroad overpass Lehigh Valley Railroad

12.25 River Rd CR 612 Flemington-Whitehouse Rd

11.38 Walter E Foran Blvd Hunterdon Co jurisdiction
Municipal jurisdiction

10.99 Walter E Foran Blvd Signal

10.45 Walter E Foran Blvd Raritan Twp, Hunterdon Co
Flemington Boro, Hunterdon Co

10.37 Walter E Foran Blvd Main St

10.32 Park St Main St

9.78 Park St Mine St

9.33 Mine St Flemington Boro, Hunterdon Co
Raritan Twp, Hunterdon Co

9.18 Mine St Municipal jurisdiction
NJDOT jurisdiction

9.13 SR 523 circle

9.08 Stockton-Flemington Rd NJDOT jurisdiction
Hunterdon Co jurisdiction

7.72 Stockton-Flemington Rd Neshanic River bridge Neshanic River

6.50 Stockton-Flemington Rd Raritan Twp, Hunterdon Co
Delaware Twp, Hunterdon Co

6.50 Stockton-Flemington Rd Ringoes-Croton Rd

6.39 Stockton-Flemington Rd Ringoes-Croton Rd

5.51 Stockton-Flemington Rd Branch Neshanic River bridge Branch Neshanic River

3.38 Stockton-Flemington Rd CR 604 Sergeantsville Rd Signal Rosemont-Ringoes Rd CR 604

1.83 Stockton-Flemington Rd Cemetery Rd CR 605

0.28 Stockton-Flemington Rd Delaware Twp, Hunterdon Co
Stockton Boro, Hunterdon Co

0.00 Stockton-Flemington Rd Main St Main St

0.00 Southern terminus of , Stockton Boro, Hunterdon Co

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Mile	Street Name	Feature
	Road continues northward as
29.07	Northern terminus of , Bedminster Twp, Somerset Co
29.07	Lamington Rd	Hillside Ave		Hillside Ave
28.83	Lamington Rd
24.77	Lamington Rd			Rattlesnake Bridge Rd
24.36	Lamington Rd	Bedminster Twp, Somerset Co Tewksbury Twp, Hunterdon Co
24.36	Lamington Rd	Lamington River	bridge	Lamington River
23.20	Lamington Rd	High St
22.12	Oldwick Rd	Ramp to west		Ramp from west
22.09	Oldwick Rd		underpass
22.04	Oldwick Rd	Ramp from east		Ramp to east
21.47	Oldwick Rd	Tewksbury Twp, Hunterdon Co Readington Twp, Hunterdon Co
21.37	Oldwick Rd	Branch Rockaway Creek	bridge	Branch Rockaway Creek
21.01	Oldwick Rd	Plant entrance	underpass
20.07	Oldwick Rd	Hunterdon Co jurisdiction NJDOT jurisdiction
20.07	Oldwick Rd	Easton Tpk
20.00	Easton Tpk	Rockaway Creek	bridge	Rockaway Creek
19.89	Main St			Easton Tpk
19.89	Main St	NJDOT jurisdiction Hunterdon Co jurisdiction
19.35	Main St	Jersey Central Railroad	at grade	Jersey Central Railroad
18.11	Flemington-Whitehouse Rd			Readington Rd
15.32	Flemington-Whitehouse Rd	Stanton Rd		Pleasant Run Rd
15.30	Flemington-Whitehouse Rd	Pleasant Run	culvert	Pleasant Run
12.75	Flemington-Whitehouse Rd	Readington Twp, Hunterdon Co Raritan Twp, Hunterdon Co
12.75	Flemington-Whitehouse Rd	South Branch Raritan River	bridge	South Branch Raritan River
12.27	Flemington-Whitehouse Rd	Lehigh Valley Railroad	overpass	Lehigh Valley Railroad
12.25	River Rd	Flemington-Whitehouse Rd
11.38	Walter E Foran Blvd	Hunterdon Co jurisdiction Municipal jurisdiction
10.99	Walter E Foran Blvd
10.45	Walter E Foran Blvd	Raritan Twp, Hunterdon Co Flemington Boro, Hunterdon Co
10.37	Walter E Foran Blvd			Main St
10.32	Park St	Main St
9.78	Park St			Mine St
9.33	Mine St	Flemington Boro, Hunterdon Co Raritan Twp, Hunterdon Co
9.18	Mine St	Municipal jurisdiction NJDOT jurisdiction
9.13			circle
9.08	Stockton-Flemington Rd	NJDOT jurisdiction Hunterdon Co jurisdiction
7.72	Stockton-Flemington Rd	Neshanic River	bridge	Neshanic River
6.50	Stockton-Flemington Rd	Raritan Twp, Hunterdon Co Delaware Twp, Hunterdon Co
6.50	Stockton-Flemington Rd			Ringoes-Croton Rd
6.39	Stockton-Flemington Rd	Ringoes-Croton Rd
5.51	Stockton-Flemington Rd	Branch Neshanic River	bridge	Branch Neshanic River
3.38	Stockton-Flemington Rd	Sergeantsville Rd		Rosemont-Ringoes Rd
1.83	Stockton-Flemington Rd			Cemetery Rd
0.28	Stockton-Flemington Rd	Delaware Twp, Hunterdon Co Stockton Boro, Hunterdon Co
0.00	Stockton-Flemington Rd	Main St		Main St
0.00	Southern terminus of , Stockton Boro, Hunterdon Co