State Highways of New Jersey


NJ 122 is part of an early alignment of NJ 28, which ran from Phillipsburg to Elizabeth. The road soon became designated as US 22; when US 22 was later rerouted to bypass downtown Phillipsburg (by hooking into NJ 24, now NJ 57), this roadway was orphaned. Its number comes from its prior existence as part of US 22.

The westernmost mile or so of old US 22 in New Jersey is no longer logged as part of the highway; it, along with the logged portion of the highway within the Town of Phillipsburg, is now maintained by Warren County and is county road 678.

For the section of old NJ 28 (US 22) between Pohatcong and Clinton, see NJ 173.

Mile Street Name Feature
2.42 Eastern terminus of NJ 122, Pohatcong Twp, Warren Co
2.42 New Brunswick Ave US 22 Signal US 22
1.80 New Brunswick Ave Pohatcong Twp, Warren Co
Alpha Boro, Warren Co
1.53 New Brunswick Ave Alpha Boro, Warren Co
Pohatcong Twp, Warren Co
1.37 New Brunswick Ave   Signal Hawk AveSR 519
1.15 New Brunswick Ave SR 519St. James Ave    
0.90 Main St Branch Lopatcong Creek culvert Branch Lopatcong Creek
0.79 Main St NJDOT jurisdiction
Pohatcong Twp, Warren Co
Phillipsburg Town, Warren Co
Warren County jurisdiction
0.59 Main St Lopatcong Creek bridge Lopatcong Creek
0.58 Main St Railroad underpass Railroad
0.00 Western terminus of NJ 122, Phillipsburg Town, Warren Co
  Road continues westward as CR 678Main St

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