Signage will display both the old and new designations for several months to help ease riders into the transition.
SEPTA is providing information on how to get into the city to celebrate, as well as SEPTA bus detours and station closures.
SEPTA says six of its buses will change from lettered routes to numeric designations. SEPTA's metro lines will also adopt a new system.
If history repeats itself like it did for the Philadelphia Eagles on Sunday, Delaware's Eagles fans hoping to take the train are in for a long day.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results