Drexel University to Catholic University of America buses and trains from $24

Here are some trips other travelers have found on Routefriend.
$24
3h 31m
1 stop
Amtrak Megabus
$38
1h 33m
0 stops
Amtrak
$46
5h 4m
2 stops
NJTransit Amtrak
$48
5h 4m
2 stops
NJTransit Amtrak
$51
5h 4m
2 stops
NJTransit Amtrak
$66
8h 7m
2 stops
NJTransit Amtrak
$70
6h 19m
2 stops
NJTransit Amtrak
$71
4h 19m
1 stop
NJTransit Amtrak
$94
5h 52m
1 stop
GotoBus Amtrak
$95
5h 52m
1 stop
GotoBus Amtrak