Traffic Delays and Lane Closures Impact Morris County Highways Amid Ongoing Roadwork

Morning commuters face disruptions on NJ 15, US 46, NJ 23, and I-287 as scheduled construction projects continue across multiple municipalities through the afternoon.

As of Thursday morning, September 11, drivers across Morris County are experiencing traffic delays and lane closures due to ongoing roadway construction on several major routes. The New Jersey Department of Transportation has advised that motorists should anticipate extended travel times and plan alternate routes where possible.

Delays Reported on NJ 15 in Jefferson Township

At 7:30 a.m., delays were reported on NJ Route 15 southbound from north of NJ 181 (Espanong Road/Weldon Road) to County Route 699 (Berkshire Valley Road) in Jefferson Township. Although all lanes remain open, congestion is slowing traffic flow in the area.

Construction Affecting US 46 in Multiple Municipalities

Roadwork continues on US Route 46, impacting multiple sections and communities:

• In Mount Olive Township, westbound lanes have a right lane closure from west of CR 649 (Netcong Road) to east of CR 667 (Mt. Olive Road). Work began at 9:00 a.m. and is scheduled to continue until 2:00 p.m.

• In Washington Township, westbound traffic is restricted to one lane near CR 604 (NJ 182/Willow Grove Street) until 2:00 p.m.

• In Mountain Lakes and Rockaway Township, a westbound construction zone from CR 618 (Mountain Lakes Boulevard) to west of CR 644 (Main Street) is limiting shoulder access until 3:00 p.m.

• In Denville Township, both westbound and eastbound shoulders near NJ 53 and CR 644 remain closed, also scheduled through 3:00 p.m.

• In Rockaway Township, eastbound work between west of CR 644 and CR 618 is restricting shoulder access through 3:00 p.m.

I-287 Lane Closures in Parsippany, Boonton, and Harding

Construction on Interstate 287 is also causing disruptions:

• In Parsippany-Troy Hills, northbound traffic has a left lane closure between exits 42 (US 46) and 43 (Parsippany Boulevard) as of 9:00 a.m., expected to last until 2:00 p.m.

• In Boonton, northbound right shoulder closures stretch from exit 44 (US 202) to just south of exit 52 (NJ 23), scheduled until 3:00 p.m.

• Southbound, the right shoulder is closed from north of exit 30 (North Maple Avenue in Harding Township) to south of exit 26 (CR 525/Mount Airy Road in Bernards Township) through the afternoon.

NJ 23 and NJ 181 Projects Impacting Butler, Pequannock, and Jefferson

• On NJ Route 23, both northbound and southbound lanes are affected by construction between Butler and Pequannock Township. Right lane closures are in effect until 4:00 p.m. on the northbound side and until 3:00 p.m. southbound.

• On NJ 181, all northbound lanes are closed south of Prospect Point Road in Jefferson Township. The area is under a full detour, with work scheduled to continue until 3:00 p.m.

Additional Work on NJ 15 in Jefferson Township

Crews are also working on NJ 15 northbound between CR 615 (Edison Road) and north of NJ 181, as well as southbound between south of CR 615 and Taylor Road. In both directions, right shoulder closures are expected to remain in place until 3:00 p.m.

Travel Advisory

Drivers are encouraged to allow extra time for travel, monitor real-time traffic updates, and consider alternate routes when traveling through impacted areas. The construction is part of ongoing infrastructure maintenance efforts by the New Jersey Department of Transportation and local authorities to improve roadway conditions and traffic flow.

Further updates will be provided as new information becomes available.