PennDOT District 11 is announcing an overnight lane closure on the southbound Interstate 79 local lane in Glenfield, Sewickley Hills, and Franklin Park boroughs and Ohio and Aleppo townships, Allegheny County will occur Tuesday and Wednesday nights, May 23-24 weather permitting.

On Tuesday night, southbound I-79 will close between the Emsworth/Sewickley Route 65 (Exit 66) off-ramp and the Neville Island Bridge from 7 p.m. to 6 a.m. to allow crews to conduct approach slab and barrier placement work on the bridge over Glenfield Road.  To allow the work to occur, southbound I-79 traffic in the local (right-hand lane) will be detoured at the Emsworth/Sewickley Route 65 (Exit 66) interchange.  All southbound I-79 through traffic should use the express lane (left-hand lane).

Local Lane Detour

  • From southbound I-79, all traffic will take the Emsworth/Sewickley Route 65 (Exit 66) off-ramp
  • Turn left onto Glenfield Road
  • Continue straight onto Kilbuck Street
  • Turn right onto Deer Run Road
  • Turn left onto the ramp to southbound I-79
  • End detour

On Wednesday night, the southbound I-79 local lane (right-hand lane) between I-279 and the Neville Island Bridge will close to traffic from 7 p.m. to 6 a.m. to allow crews to conduct approach slab and barrier placement work on the bridge over Red Mud Hollow Road. All southbound I-79 traffic will use the crossed over express lane (left-hand lane). 

Southbound I-79 traffic will not be able to access the Mt. Nebo Road (Exit 68) and the Emsworth/Sewickley Route 65 (Exit 66) interchanges. Traffic to those exits will be detoured.

Local Lane Detour

  • Southbound I-79 traffic will take the Neville Island (Exit 65) off-ramp
  • Turn right onto Grand Avenue
  • Take the ramp to northbound I-79
  • From northbound I-79 follow to the Emsworth/Sewickey or Mt. Nebo Road interchanges
  • End detour

The work is part of the $26.49 million I-79 improvement project. Improvements include four bridge deck replacements, one bridge preservation, milling and resurfacing, preservation work on seven sign structures, installation of five new ITS signs, guide rail improvements, signage updates, and pavement marking installation. Crossovers will occur on southbound I-79 in 2023 for bridge deck replacement work. The majority of the project will conclude in early 2024.

The prime contractor is the Joseph B. Fay Company. Work on this project will be coordinated with other projects in the area.

To help keep motorists informed as work progresses, PennDOT has created an email distribution list for the I-79 Neville Island Bridge rehabilitation including traffic advisories and construction updates. Enroll by sending email addresses to Please write “Subscribe – I-79” in the subject line.

Motorists can check conditions on more than 40,000 roadway miles, including color-coded winter conditions on 2,900 miles, by visiting 511PA, which is free and available 24 hours a day, provides traffic delay warnings, weather forecasts, traffic speed information, and access to more than 1,000 traffic cameras.

511PA is also available through a smartphone application for iPhone and Android devices, by calling 5-1-1, or by following regional twitter alerts accessible on the 511PA website.


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