The Port Authority will close the Mount Washington Transit Tunnel to buses and rail vehicles all day Saturday and Sunday during work on the ventilation system.
Red Line and Blue Line service will detour via the former Allentown route and won't serve Station Square. Subway Local service will operate between Downtown and Station Square on Saturday. Riders wishing to reach Station Square on Sunday will need to transfer to buses at South Hills Junction or in Downtown.
Seven bus routes also will be detoured for the weekend, using Arlington and Warrington avenues to bypass the tunnel closure. Regular routing is expected to resume for the start of service on Monday.mobilehome - breaking - Transportation
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