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Southeastern Pennsylvania Transportation Authority plans Labor Day Weekend to finish laboring on its subway-surface trolley Route 36 when it completes a track renewal project that began four months ago.



Crews are replacing 1950s-era track with new continuous welded rails encased in a rubber boot, which is designed to reduce vibration and noise.



During the work, buses conveyed passengers to their destinations. Normal operation is slated to return Sept. 1.