Where is this announcement being made?

This is a passenger announcement. We will shortly be arriving at South Street Station.(91)Please check the overhead compartments and take any luggage and personal belongings that may have been brought on board.(89,90)Exit will be from the last door on the train. In the interests of safety, please wait for the train to reach a complete stop before leaving. Pay attention to the gap between the train and the platform as you exit. Porters are available on the platform for those passengers requiring assistance.