Car speed limits in New Jersey (2026)
Last reviewed: 9 October 2026
In short: Unless otherwise posted, the State of New Jersey states 25 mph in school zones and business or residential districts, 50 mph on other roadways, 55 mph on interstates and 65 mph on certain state highways as posted. Traffic fines are doubled in roadway construction zones.
| Rule | What applies |
|---|---|
| Built-up areasPassenger car on public roads | 25 mph in school zones and in business or residential districts; 35 mph in certain low-density business and residential districts, unless otherwise posted [1] |
| Outside built-up areas (single carriageway)Passenger car on public roads | 50 mph on all other roadways, unless otherwise posted [1] |
| Outside built-up areas (dual carriageway or expressway)Passenger car on public roads | ⚠ Not yet verified |
| MotorwaysPassenger car on public roads | 55 mph on all interstates, unless otherwise posted; 65 mph on certain state highways, as posted [1] |
| School zonesPassenger car on public roads | 25 mph in school zones, unless otherwise posted. [2] |
| Roadworks zonesPassenger car on public roads | Traffic fines are doubled for motor vehicle offences committed in roadway construction zones, which are marked by an advance warning sign or flashing lights on a vehicle up to half a mile before the work area. [2] |
Notes
- Figures are from the State of New Jersey FAQ page, which says they apply unless otherwise posted. The statute (R.S. 39:4-98) was not read from an official site.
Sources
- State of New Jersey (NJ.gov): Frequently Asked Questions: Driving (What is the speed limit in NJ?) (consulted 9 October 2026) · all sources
- New Jersey Motor Vehicle Commission: New Jersey Driver Manual (revised 4/2026) (consulted 10 October 2026) · all sources
New Jersey and neighbouring states
| State | Built-up areas | Outside built-up areas (single carriageway) | Outside built-up areas (dual carriageway or expressway) | Motorways |
|---|---|---|---|---|
| New Jersey | 25 mph (35 mph low-density districts) | 50 mph | ⚠ Not yet verified | 55 mph on interstates; 65 mph where posted |
| Delaware | 25 mph business, 20-25 mph residential | 50 mph (2-lane roads) | 55 mph (4-lane/divided) | 55 mph; 65 mph on part of Route 1 |
| New York | 55 mph unless posted lower | 55 mph | 55 mph | 55 mph unless posted higher |
| Pennsylvania | 35 mph; 25 mph local residential | 55 mph | — | 65 or 70 mph where posted |
More rules in New Jersey
- CannabisPossession for personal use: Legal for adults 21+, within limits · Growing at home: Not allowed
- Minimum age for a car driving licenceMinimum age for a car licence: 17 (probationary licence) · Earliest age to drive a car supervised: 16 (special learner's permit)
- E-bikes and speed pedelecsLegal class: Licensed and registered · Minimum age: 15 years
- FireworksConsumers may buy and use category F2 fireworks: No (ground sparkling devices only)
- Knives and pepper sprayFolding pocket knives: Not listed; "manifestly appropriate" test · Locking or one-handed knives: Banned without explainable lawful purpose
- Statutory minimum wageNational statutory minimum wage: Yes · Current adult minimum wage (gross): $15.92 per hour
- Using a mobile phone while drivingHolding a phone while driving banned: Banned (primary offence) · Hands-free use: Allowed
- Seat belts and child seatsSeat belt compulsory in front seats: Yes · Seat belt compulsory in rear seats: Yes (adults in the back: secondary law)
- Tobacco and nicotine age limitsMinimum age to buy tobacco: 21 · Minimum age to buy e-cigarettes: 21
- Drink-driving limitsBlood alcohol limit for ordinary drivers: 0.08% · Lower limit for novice or young drivers: Any alcohol, under 21
Related pages
General information, not legal advice. Rules change: check the official source before you fly or ride.