Argosy University-Washington D.C. to Newark, NJ buses and trains from $32

Here are some trips other travelers have found on Routefriend.
$32
5h 13m
1 stop
GotoBus NJTransit
$35
5h 46m
1 stop
Vamoose NJTransit
$40
6h 4m
1 stop
GotoBus CoachUSA
$42
6h 4m
1 stop
GotoBus CoachUSA
$45
6h 34m
1 stop
Vamoose CoachUSA
$55
5h 21m
1 stop
GotoBus Amtrak
$58
6h 15m
1 stop
Vamoose Amtrak