Route 31 northbound ramp to I-78/Route 22 eastbound closed and detoured in Hunterdon County
Ramp will remain closed until Monday afternoon
CLINTON, NJ (Hunterdon County) – The Route 31 northbound ramp to I-78/Route 22 eastbound is closed and
detoured as the Route 31, I-78/Route 22 to Grayrock Road pavement reconstruction project advances in Clinton.
The ramp closed at 1:00 p.m. on Friday, Sept. 13, and will remain closed and detoured until 12:00 p.m. on Monday, Sept. 16 for milling and paving.
Route 31 northbound ramp to I-78/Route 22 eastbound/Newark detour:
- Motorists on Route 31 northbound wishing to take the ramp to I-78/Route 22 eastbound/Newark will be directed to turn right onto Old Allerton Road/CR 633, which is before the ramp to I-78 eastbound
- Turn right onto Beaver Avenue
- Turn right onto East Street to go over I-78
- \Stay left to take the ramp to I-78 eastbound; or
- Stay right to take the ramp to Route 22 eastbound
The $24.8 million federally funded Route 31, I-78/Route 22 to Grayrock Road pavement reconstruction project will replace deteriorated concrete pavement with full depth asphalt reconstruction of the roadway in Clinton.
In addition, the project will realign the intersection of Center Street eastbound and Route 31 southbound to improve sight distance. The acceleration lane from I-78/Route 22 westbound to Route 31 northbound will be extended to provide more space to merge.
The project also includes drainage improvements, guiderail replacement, lighting and overhead sign installation, and concrete deck repairs on the bridges. The project is expected to be completed by fall 2026.
The precise timing of the work is subject to change due to weather or other factors. Motorists are encouraged to check NJDOT’s traffic information website for real-time travel information.
