Catholic University of America to Scarsdale, NY buses and trains from $30

Here are some trips other travelers have found on Routefriend.
$30
7h 0m
1 stop
BoltBus Metro-North
$33
5h 13m
1 stop
GotoBus Metro-North
$33
5h 39m
1 stop
GotoBus Metro-North
$95
3h 25m
1 stop
Amtrak Metro-North
$?
4h 52m
2 stops
Amtrak Metro-North
$?
5h 1m
1 stop
Amtrak Metro-North