Fashion Institute of Technology to George Mason University buses and trains from $109

Here are some trips other travelers have found on Routefriend.
$109
6h 0m
1 stop
GotoBus Amtrak
$116
7h 0m
1 stop
GotoBus Amtrak
$121
5h 45m
1 stop
BoltBus Amtrak
$154
11h 1m
2 stops
NJTransit Amtrak
$165
5h 22m
1 stop
NJTransit Amtrak
$168
5h 52m
1 stop
NJTransit Amtrak
$169
4h 28m
0 stops
Amtrak