Philadelphia's public transit system is mainly operated by the Southeast Pennsylvania Transportation Authority (SEPTA), which maintains an extensive system utilizing buses, rapid transit, commuter rail, trolleys, and the Philadelphia trackless trolley (trolleybus) system.The main rail station of Philadelphia is 30th Street Station, which has access to 13 SEPTA Regional Rail routes and 11 Amtrak intercity rail routes.Philadelphia International Airport, the primary airport of Philadelphia, is a hub for domestic and international aviation.The streets of Philadelphia mainly follow a grid plan, one of the first such lay-outs used in a North American city.During that season, the Opera house was leased to Maurice Grau and hosted only visiting opera groups.

In looking at the chronology of the Metropolitan, there are two gaps in its performing chronology, which of course also affect the Metropolitan Opera Orchestra.

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Its many trees, parks and other open spaces, and its quiet pace of life reflect in various ways the genteel , a Philadelphian by adoption, who left his imprint on innumerable ongoing institutions, both cultural and commercial, in the city.

Beneath this facade, however, Philadelphia represents an urban cluster of national and international stature.