Upper St. Clair Township

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Lesnett Road Closure Update

**Updated August 24, 2022**

Lesnett Road has reopened.  The roundabout is open to traffic.  

**Updated August 18, 2022**

PennDOT reports the next phase of the McLaughlin Run Road roundabout project in Upper St. Clair will begin Thursday, Aug. 18 weather permitting.

Starting at 10 a.m. Thursday, Lesnett Road will close to traffic in each direction between McLaughlin Run Road and Wellington Drive around-the-clock through Aug. 23, as crews conduct final wearing and concrete paving work. Traffic on Lesnett Road will be detoured.

Posted Detour From McLaughlin Run Road
  • Head northbound on McLaughlin Run Road
  • Turn left onto Bower Hill Road
  • Turn left onto Washington Pike
  • Turn left onto Station Street
  • Continue onto Dewey Avenue
  • Turn left onto Bank Street
  • Turn left onto Lesnett Road
  • End detour
 From Wellington Drive
  • Same detour in the opposite direction

Additionally, the McMillan Road closure will be extended to traffic in each direction between McLaughlin Run Road and Woodlands Circle for six more consecutive days through Aug. 23. Traffic on McMillan Road will continue to be detoured via McLaughlin Run Road, Route 19 (Washington Road) and Fort Couch Road. McLaughlin Run Road traffic will be maintained with a single lane of traffic in each direction.

McMillan Lesnett Road Closure Image

©Google Maps

This $4.67 million project will convert the signalized McLaughlin Run Road and Lesnett/McMillan Road intersection into a free-flowing single-lane roundabout. Additional work includes, replacement of two structures, sidewalks and ADA curb cut ramp installation, guide rail and drainage improvements, sign updates, lighting upgrades and pavement marking installation. Traffic will be maintained in each direction throughout the duration of the project. Work will be conducted in nine construction phases. The overall work will conclude in the fall 2022.

Plum Contracting Inc. is the prime contractor.