Trenton, NJ to Catholic University of America buses and trains from $1

Here are some trips other travelers have found on Routefriend.
$1
3h 58m
1 stop
NJTransit Megabus
$26
3h 57m
1 stop
Amtrak Megabus
$38
2h 36m
1 stop
NJTransit Amtrak
$49
2h 1m
0 stops
Amtrak
$79
3h 52m
1 stop
Amtrak Megabus
$142
5h 1m
1 stop
NJTransit Amtrak