PennDOT District 11 is announcing the next phase of the I-279 (Parkway North) Improvement Project in Ohio and Ross townships and the City of Pittsburgh, Allegheny County, will begin Friday night, April 13.

Beginning at 7 p.m. on Friday night, preparatory work requiring lane closures, traffic shifts and brief traffic stoppages as needed will occur for a new northbound traffic configuration starting just south of the McKnight Road interchange through the Camp Horne Road interchange.  Additionally, northbound I-279 will be restricted to a single-lane from the Fort Duquesne Bridge to Hazlett Street from 7 p.m. Friday night to 7 p.m. Saturday night. Once the prep work is complete, traffic will be shifted into the new configuration.  The configuration could be implemented as early as 7 p.m. Saturday night, but will be in place by 6 a.m. Monday morning at the latest. Motorists will see the following configuration:

  • Just south of the McKnight Road/Evergreen Road (Exit 4) interchange, mainline I-279 traffic traveling northbound (outbound) will be shifted into the High Occupancy Vehicle (HOV) lanes. Motorists will still be able to access the McKnight Road/Evergreen Road (Exit 4) off-ramp.
  • As northbound motorists approach the Perrysville Avenue interchange, one lane of traffic will be crossed over into the southbound (inbound) lanes. This lane is the EXPRESS lane.  All traffic using this lane will not have access to the Perrysville Avenue (Exit 5), Bellevue/West View (Exit 7) and Camp Horne Road (Exit 8) interchanges.  The express lane will be crossed back over into the northbound lanes just north of the Camp Horne Road exit.
  • The right-hand lane of northbound (outbound) I-279 will remain in place. This is the LOCAL lane.  All access to the Perrysville Avenue, Bellevue/West View, and Camp Horne Road exits must be made from the local lane. A single-lane will be maintained to allow for roadway reconstruction work.
  • The current Perrysville Avenue off-ramp will not be accessible from the HOV lanes. The ramp to the Perrysville Park and Ride (a left hand exit, after the split between the express and local lanes) will be used as the exit for Perrysville Avenue (Route 19).
  • All three lanes (2 southbound, 1 northbound) on the southbound side of I-279 will be narrowed to 11 feet.  The northbound local lane will remain 12 feet-wide.
  • This phase of work will continue through late August.

Additional restrictions include:

  • The northbound on-ramp from Perrysville Avenue to northbound I-279 will close to traffic at approximately 7 p.m. Friday night continuously through late July.  The ramp will be lengthened by approximately 800 feet.  A bridge that carries both mainline I-279 and the on-ramp needs to be widened. All Perrysville Avenue northbound on-ramp traffic will be detoured.

Posted Detour

  • Motorists will travel south on Route 19
  • Turn left onto Ivory Avenue
  • Turn left onto Nelson Run Road
  • Turn left onto West View Avenue
  • Merge onto McKnight Road
  • Continue straight onto Evergreen Road which becomes East Street
  • Take the ramp to northbound I-279 at the Hazlett Street interchange
  • End detour
  • The HOV lanes south of the Venture Street area, including access to and from the Bedford Avenue, Anderson Street, and Stadium Drive ramps, will remain closed during this phase of work.  The Bedford Avenue HOV ramp will reopen to traffic after major evening events at PPG Paints Arena. However, this ramp will remain closed after the Penguin game on Friday, April 13 due to the work on the new configuration.

The $87.94 million I-279 Parkway North Improvement Project includes concrete patching and overlay, preservation of 30 bridges and 49 overhead sign structures, repairs to 29 walls, ramp repairs, lighting improvements, High Occupancy Vehicle (HOV) lane operation systems upgrades, sign upgrades, guide rail and drainage improvements, and an anti-icing system installation on bridges at the McKnight Road interchange.

Crews from the Trumbull Corporation and Lindy Paving will conduct the work.  Please use caution while driving through the area.  Work zone safety is everyone’s responsibility.

Graphics will be provided prior to the implementation of the traffic shift and will be added to the PennDOT District 11 I-279 Parkway North Improvement Project construction page.

To help keep motorists informed as work progresses, PennDOT has created an email distribution list for I-279 Parkway North traffic advisories and construction updates. Enroll by sending email addresses to Please write “Subscribe – Parkway North” in the subject line.

Motorists can check conditions on more than 40,000 roadway 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 770 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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