Commuters in the Philadelphia region are bracing for a week of disruption as SEPTA service cuts are set to take effect Sunday.

After months of discussion, drastic service cuts -- that will see SEPTA routes eliminated, shortened and/or reduced -- went into effect on Sunday.

As Philadelphia’s SEPTA prepares to eliminate regional rail service on several lines it leases from Amtrak, the national rail operator says the move could affect its ability to maintain intercity