American University to James Madison University buses and trains from $33

Here are some trips other travelers have found on Routefriend.
$33
3h 54m
0 stops
Amtrak
$45
7h 58m
2 stops
Megabus Amtrak
$56
7h 58m
3 stops
Megabus Amtrak
$170
16h 49m
1 stop
Amtrak Amtrak