Center City Commuter Connection
railway tunnel in Center City Philadelphia
The Center City Commuter Connection is an underground train tunnel in Philadelphia, Pennsylvania. It connects the core SEPTA stations Jefferson Station, Suburban Station, and 30th Street Station. The stations connect the networks of rail previously operated by the Reading Railroad and Pennsylvania Railroad.
![](http://up.wiki.x.io/wikipedia/commons/thumb/a/a4/Train_emerging_from_the_Center_City_Commuter_Connection_at_the_Market_East_Station%2C_Philadelphia_PA.jpg/220px-Train_emerging_from_the_Center_City_Commuter_Connection_at_the_Market_East_Station%2C_Philadelphia_PA.jpg)