Multiple Road Construction Projects Slow Traffic Across Morris County

Closures affecting NJ-15, US-46, I-287, and NJ-23 expected to continue throughout the day

Drivers in Morris County are facing several traffic slowdowns today, June 25, 2025, due to extensive road construction on major routes including NJ-15, US-46, NJ-23, and I-287. The ongoing work involves lane closures and shoulder blockages scheduled through various times this afternoon and evening.

Key Closures Include:

• NJ Route 15 (Jefferson, Rockaway, Sparta Townships):

  • Southbound left lane closed near Blue Heron Dr to NJ 181

  • Northbound left lane closed near Berkshire Valley Rd

  • Northbound and southbound right shoulders closed near Taylor Rd and Parker Rd

  • Northbound right lane closed near NJ 181 to Sparta Twp

  • Additional overnight work with right shoulder closures near NJ 181 through 1:00 a.m.

• US Route 46 (Parsippany-Troy Hills, Denville, Mountain Lakes, Rockaway Townships):

  • Eastbound and westbound right shoulders closed between CR 513/West Main St and CR 618/Mountain Lakes Blvd

  • Ongoing construction continues in both directions in multiple overlapping segments, including sections east and west of NJ 53

• NJ Route 23 (Riverdale):

  • Northbound right shoulder closed near Cotluss Rd

• Interstate 287 (Parsippany-Troy Hills Twp):

  • Northbound right shoulder closed near Exit 41 (I-80) until 1:00 a.m.

Motorists are advised to allow extra travel time, use alternate routes where possible, and stay alert for construction crews and changing traffic patterns. All construction schedules are subject to weather conditions and may be extended or adjusted.