PennDOT is announcing slide repair work on Route 3031 (Prestley Road) in Collier Township, Allegheny County will begin Wednesday, June 5 weather permitting.

Slide repair work and drainage improvements requiring the closure of a portion of Prestley Road will begin at 7 a.m. Wednesday. To allow the work to occur, an around-the-clock closure of Prestley Road between Jones Road and Thoms Run Road will occur through late June. Traffic will be detoured.

Posted Detour

North of the Closure

  • Follow Thoms Run Road westbound to Presto Sygan Road
  • Turn left onto Presto Sygan Road
  • Turn left onto Millers Run Road
  • Turn left onto Route 50
  • Turn left onto Washington Pike (Route 50)
  • Follow Washington Pike back to Prestley Road
  • End detour

South of the Closure

  • Same detour in the opposite direction

Crews from A. Liberoni, Inc. will conduct the work. Please use caution when traveling through the corridor.

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 X alerts accessible on the 511PA website.



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