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Route 28 Ramp Closure Next Week in Allegheny County

07/21/2023

​Pittsburgh, PA – PennDOT District 11 is announcing the closure of the on-ramp from Gamma Drive to northbound Route 28 in O’Hara Township, Allegheny County will begin Monday, July 24 weather permitting.

The ramp that carries traffic from Gamma Drive to northbound Route 28 at the RIDC Drive (Exit 10) interchange will close to traffic on Monday at approximately 7 a.m. and remain closed continuously through 5 p.m. Tuesday, July 25 to allow crews from Swank Construction Company to conduct concrete pavement patching. Ramp traffic will be detoured.

Posted Detour

Gamma Drive to Northbound Route 28

  • Take Gamma Drive westbound

  • Turn left onto Alpha Drive

  • Turn left onto Freeport Road

  • Turn left onto Route 910

  • Turn right onto the ramp to northbound Route 28

  • End detour

The work is part of the $15.32 million project to improve approximately 3.5 miles of Route 28 between the Delafield Avenue exit (Exit 7) and the Harmar Township line, approximately 1.75 miles north of the RIDC Park (Exit 10) interchange. Construction will include minor road widening of the southbound lanes near the Freeport Road on-ramp (Exit 8) interchange to allow for the existing lanes to be reassigned. At the completion of the project, southbound Route 28 will maintain two through lanes and an exit only off-ramp to Fox Chapel Road. Work included reconstruction of the Delafield Avenue ramps, concrete preservation work on the Fox Chapel ramps, milling and paving work on the RIDC Park ramps, and bridge preservation work on all structures within the project limits. Additionally, highway lighting upgrades, ITS upgrades, green stormwater features, guide rail upgrades, rockfall area cleanouts and fence repairs, and other miscellaneous construction are part of the project.

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 twitter alerts accessible on the 511PA website.

Contact: Nicole Haney, nhaney@pa.gov

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