Some Keystone Service had been suspended due to the COVID-19 pandemic.
Trains 652 and 641 will be extended on weekdays roundtrip between New York City and Harrisburg. On weekends, trains 660, 672, 663 and 669 will also be extended between New York City and Harrisburg.
The Keystone Service schedule includes 13 weekday roundtrips and seven roundtrips on weekends.
The Pennsylvanian service between Pittsburgh, Philadelphia and New York City was restored in June.