Traffic & Transit

Thorn Run Interchange Project Begins

Find out here how long the work will last.

MOON TOWNSHIP, PA - A $9.4 million improvement project has begun on the Thorn Run Interchange (Robert E. Harper Interchange) in Moon, and shoulder restrictions on westbound Business Loop 376 are underway as crews clear trees from the area.

The interchange project includes ramp construction, widening, traffic signal installation, drainage improvements, guide rail upgrades, curb and sidewalk repairs and structure work at the interchange near Coraopolis Heights Road, Thorn Run Road Extension, and Cherrington Parkway.

Lane and shoulder restrictions will occur on Business Route 376 and other roads during construction, which is anticipated to continue through the summer of 2020.

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