PITTSBURGH (KDKA) — The Port Authority announced a construction project that will delay bus and light-rail services to the South Hills for two years.

Crews will replace lighting and cables inside the Mount Washington Transit Tunnel, starting Monday. The work will be from 8 p.m. – 4:30 a.m.

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The T and any bus that uses the tunnel will be detoured through Allentown.

Riders should plan for trips to take an additional 10 minutes in both directions, the Port Authority said.

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