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Road Projects

Posted on: April 28, 2020

Thoms Run Road work includes closures and detours

road work sign

Work on Thoms Run Road includes some closures and temporary stoppages, according to Allegheny County.

Closures and Detours

  • UPDATE: This portion of roadway reopened Fri. May 21: Thoms Run Road will close just east of its intersection with K P Hollow Road in Collier Township starting at 7 a.m. Mon. May 18. The closure, expected to last at least one week, is required for a slope repair. Traffic will be detoured using Thoms Run and Oakdale Road, Hilltop Road and Forsythe Road.
  • Starting in June, part of the 5100 block of Thoms Run Road will close for construction of two support walls. Traffic will be detoured using Thoms Run and Oakdale Road, Hilltop Road and Forsythe Road.
  • Starting in July, Thoms Run Road will close just west of its intersection with Forsythe Road for replacement of Chartiers Creek Bridge No. 23. Traffic will be detoured using Prestley Road, Washington Avenue (Route 50), Millers Run Road (Route 50) and Presto-Sygan Road.

All homes and businesses on the affected sections of Thoms Run Road will be accessible throughout the closures, which are not expected to overlap.

Allegheny County Public Works will announce the exact start dates for the upcoming closures closer to when they are expected to begin.

Traffic Stoppages

Short traffic stoppages will occur on Thoms Run Road in Collier, just outside the South Fayette border, starting at 7 a.m. Fri. May 1. Road work had been interrupted due to the COVID-19 crisis but may resume under the state health department’s strict safety measures.

During paving and repairs, short traffic stoppages will occur from Forsythe Road to 600 feet west of Dutch Hill Road, according to Allegheny County.

Road work and stoppages also will occur on Painters Run Road, between Bower Hill Road and Cedar Boulevard, in Mt. Lebanon, Scott and Upper St. Clair.

COVID-19 Guidelines

Work had begun in March, but contractor Northeast Paving had shut down its in-person operations in compliance with state orders to help slow the spread of COVID-19.

Starting May 1, the construction industry in Pennsylvania was permitted to conduct in-person operations if they strictly adhere to the safety measures issued by state Secretary of Health Dr. Rachel Levine.

For questions or concerns, please contact Allegheny County Public Works: 412-350-4005.

Allegheny County Public Works
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