PITTSBURGH (KDKA)–The Port Authority of Allegheny County has a present for South Hills commuters.

The Mt. Washington Transit Tunnel resumed regular light rail service through the tunnel at 7:15 p.m., the Port Authority announced.

Buses will resume regular service through the tunnel at 8 p.m.

The tunnel has been closed for the last month while contractors replaced approximately 480 feet of light rail track and concrete.

The Mt. Washington Transit Tunnel is a shortcut between downtown Pittsburgh and the South Hills for PAT buses and light rail vehicles.

The tunnel is used by approximately 15,000 weekday and 7,000-weekend bus and light rail riders.

The Wabash Tunnel, which has been open only to inbound traffic during construction, is expected to resume a regular inbound and outbound schedule beginning Monday morning.

Customers with questions can call Port Authority Customer Service at 412-442-2000.