Pittsburgh, PA – PennDOT District 11 is announcing the closure of Old William Penn Highway in the Municipality of Monroeville, Allegheny County will occur Monday, March 31 weather permitting.
Old William Penn Highway will close to traffic between Evergreen Drive and Duff Road from 9 a.m. to 8 p.m. Monday to allow crews to conduct bridge demolition work on the I-376 (Parkway East) structure over the roadway. Traffic on Old William Penn Highway will be detoured.
Posted Detour
East of the Closure
· From Old William Penn Highway turn onto Garden City Drive in the northbound direction
· Turn left onto Laurel Drive
· Follow Laurel Drive back to Old William Penn Highway
· End detour
West of the Closure
· Same detour in the opposite direction
Please slow down and use caution on the detour route. Local roadways are being used for the detour.
Additional closures of Old William Penn Highway will occur as part of the demolition and replacement of the bridges. Details will be provided in advance of the closures.
This work is part of the $70.1 million I-376 Parkway East Betterment Project. Work will include a superstructure replacement over Old William Penn Highway, two bridge rehabilitations over Old William Penn Highway/Lougeay Road/Sunset Drive and Thompson Run Road/Thompson Run/Union Railroad, and six bridge preservations along the I-376. Throughout the project motorists can expect long-term single-lane restrictions, several weekends with traffic down to a single lane, and a long-term crossover in 2025. The improvements on the 4.5 miles of the Parkway East between the Churchill/Route 130 (Exit 79B) and Monroeville/Route 48 (Exit 84A) exit are anticipated to conclude in the fall 2026. Swank Construction Company, LLC is the prime contractor.
To help keep motorists informed as work progresses, PennDOT has created an email distribution list for Parkway East traffic advisories and construction updates. Enroll by sending email addresses to stcowan@pa.gov. Please write “Subscribe – Parkway East” in the subject line.
Updates can also be found on the I-376 Parkway East – Churchill to Monroeville webpage, by following PennDOT’s regional X page @511PAPittsburgh or joining the Greater Pittsburgh Area PennDOT Facebook group.
Motorists can check conditions on major roadways 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.
Subscribe to PennDOT news and traffic alerts in Allegheny, Beaver, 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.pa.gov/D11Results. Find PennDOT’s planned and active construction projects at www.projects.penndot.gov.
Find PennDOT news on X, Facebook, and Instagram.
MEDIA CONTACT: Steve Cowan, stcowan@pa.gov
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