Intersection of Lawrenceville-Pennington Road and South Main Street construction work

Beginning on or about Thursday, August 13, 2015 Mercer County DOT will begin road resurfacing and construction of a new traffic island.

Phase 1: The entire intersection will be milled. During this phase, Pennington Lawrenceville Road will be closed to through traffic during the hours of 9:00 AM to 3:30 PM (weekdays). Motorists will be directed to use Blackwell Road and Pennington Road.

Once the intersection is milled, it will be temporarily restriped according to the permanent traffic pattern.

Phase 2: New curbing will be installed in accordance with the permanent traffic pattern.

Phase 3: The roadway area will be resurfaced and lanscaping will be performed. Detours as per phase 1 will be in place.

Motorists should plan alternate routes during this construction.


Poor Farm Road Bridge Closure Announcement

Beginning on or about Monday, July 27, 2015 Mercer County DOT will begin repair of the Poor Farm Road Bridge over a tributary of Jacobs Creek. This bridge is located approximately 1/2 mile south of Harbourton Woodsville Road.

During the repair work the bridge will be closed to all traffic on a 24/7 basis. This project is expected to be complete within 60 days, weather permitting.

A detour will be posted directing motorists to use Harbourton-Woodsville Road, Trenton-Harbourton Road and Woosamonsa Road.  

Motorists should plan alternate routes during this construction period.

*** September 4, 2015: Poor Farm Road has been opened to traffic. Work on this project is ongoing. There is loose gravel in sections of the roadway, motorists should use due cauition.*** 







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Road Advisories

Van Dyke Road Bridge (No. 234.1) will be closed for repairs on a 24/7 basis beginning Monday, April 28, 2014

Bear Tavern Road (County Route 579) Milling and Resurfacing Work Begins April 7th

Roadway Improvement Harbourton-Rocktown Road

Lambertville-Hopewell Road - County Road 518 - Begins September 3, 2013

Elm Ridge Road (CR 625) - Emergency Repairs beginning Monday May 13, 2013

The following is the update on Mercer County bridge projects:

Woosamonsa Rd: Under construction using County Work Force.   Estimated completion Dec. 2012.

River Drive:   Design planned for in 2012 budget.  Anticipate using outside contractor for construction.  Permitting issues include Historic Preservation approvals.   Estimated completion sometime in 2014/2015.



Dublin Rd:     Present in design.  Estimated start in mid-2013.

Penn.-Titusville Rd:   Presently in design.    Start date not yet estimated.

Road Notice





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201 Washington Crossing - Pennington Road  •  Titusville, NJ 08560  •  (609) 737-0605