PITTSBURGH (KDKA) -- If you're relying on the 'T' to get around this weekend, you may want to make other plans, as the Port Authority will be working on the Red line.

PITTSBURGH (KDKA) -- Some changes will be coming to the T next month. According to Port Authority, the "Blue Line Library" is becoming the "Silver Line Library" starting March 15.

The Blue Line Library route is now known as the Silver Line Library route, effective Sunday. The Port Authority had announced the change Feb. 18.