Pittsburgh, PA – PennDOT District 11 is announcing a ramp closure on McKnight Road (Route 4003) in the City of Pittsburgh, Allegheny County will begin Monday, September 30 weather permitting.

Starting 8 a.m. Monday, the southbound Nelson Run Road ramp to southbound McKnight Road will undergo an around-the-clock closure continuously through mid-October. Crews will conduct concrete patching work on the ramp. Traffic will be detoured.

Posted Detour
From southbound Nelson Run Road

• Continue southbound on Nelson Run Road
• Turn left onto Ivory Avenue
• Turn right onto Evergreen Road
• Follow Evergreen Road to McKnight Road
• End detour

The work is part of the $26.99 million McKnight Road improvement project. Work will include bridge and culvert preservation, milling and paving, base repairs, drainage upgrades and repairs, pipe cleaning, guide rail, signal, and ADA ramp upgrades, waterline replacement, concrete mountable curb replacement and new signage and pavement markings between Venture Street and Perrymont Road, including the Babcock Boulevard/Evergreen Road ramps. Before work concludes in the spring of 2025, restrictions will also include a 12-day closure of the Nelson Run Road interchange, two weekend closures at the Venture Street intersection, and several overnight ramp closures for paving operations and structure repairs. The prime contractor is Lindy Paving, Inc.

To help keep motorists informed as work progresses, PennDOT has created an email distribution list for McKnight Road traffic advisories and construction updates. Enroll by sending email addresses to ymanyisha@pa.gov. Please write “Subscribe – McKnight Road" in the subject line.

Updates can also be found on the Route 4003 McKnight Road Improvement Project webpage, by following PennDOT's region X page @511PAPittsburgh or joining the Greater Pittsburgh Area PennDOT Facebook group.

Motorists can check conditions on more than 40,000 roadway miles, including color-coded winter conditions on 2,900 miles, by visiting www.511PA.com. 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 X alerts accessible on the 511PA website.

Subscribe to PennDOT news and traffic alerts in Allegheny, Beaver, and Lawrence counties at www.penndot.pa.gov/District11.

Information about infrastructure in District 11, including completed work and significant projects, is available at www.penndot.gov/D11Results. Find PennDOT's planned and active construction projects at www.projects.penndot.gov.

Follow PennDOT on X and like the department on Facebook and Instagram. 

 Contact: Yasmeen Manyisha, ymanyisha@pa.gov ​

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