PITTSBURGH (KDKA)–If your Saturday travel plans take you to Mount Washington, you might encounter a detour.

PENNDOT has part of P.J. McArdle Roadway, between the Liberty Bridge and Arlington Avenue, shut down until 6:00 p.m.

Crews will be paving following recent waterline upgrades.

Traffic will be detoured across the Liberty Bridge, onto Forbes Avenue, through the Armstrong Tunnel, onto the South 10th Street Bridge and back onto McArdle Roadway.