The first basement contained a tunnel linking to the original Pennsylvania Station as well as to 34th Street–Penn Station on the New York City Subway's Eighth Avenue Line (). Through Penn Station, this tunnel also connected to 34th Street–Penn Station on the New York City Subway's Broadway–Seventh Avenue Line ().
The first level featured a passageway connecting to the original Pennsylvania Station as well as to 34th Street–Penn Station on the Eighth Avenue Line. Moreover, this passageway also connected to 34th Street–Penn Station on the Broadway–Seventh Avenue Line via Penn Station.