Globe Institute of Technology to Catholic University of America buses and trains from $14

Here are some trips other travelers have found on Routefriend.
$14
5h 55m
1 stop
BoltBus Megabus
$15
4h 0m
0 stops
BoltBus
$15
6h 10m
1 stop
GotoBus Megabus
$16
5h 25m
1 stop
GotoBus Megabus
$20
6h 4m
3 stops
NJTransit Megabus
$22
5h 0m
0 stops
GotoBus
$35
6h 1m
1 stop
NJTransit Megabus
$40
5h 15m
1 stop
Amtrak Megabus
$48
4h 0m
1 stop
BoltBus Amtrak
$48
4h 45m
1 stop
GotoBus Amtrak
$49
2h 43m
0 stops
Amtrak
$49
3h 45m
1 stop
GotoBus Amtrak
$50
3h 49m
1 stop
BoltBus Amtrak
$59
3h 31m
2 stops
NJTransit Amtrak
$65
4h 4m
2 stops
NJTransit Amtrak
$67
4h 16m
3 stops
NJTransit Amtrak
$68
4h 30m
1 stop
GotoBus Amtrak
$89
3h 7m
1 stop
NJTransit Amtrak
$101
3h 49m
2 stops
NJTransit Amtrak
$117
5h 42m
3 stops
NJTransit Amtrak
$120
10h 16m
2 stops
NJTransit Amtrak