Duke University to Howard University buses and trains from $9

Or, see buses and trains from Howard University to Duke University.
Here are some trips other travelers have found on Routefriend.
$9
4h 28m
0 stops
Megabus
$26
5h 43m
1 stop
Megabus Amtrak
$38
6h 30m
1 stop
Megabus GotoBus
$49
6h 19m
1 stop
Megabus Amtrak
$51
9h 58m
1 stop
Amtrak Megabus
$53
6h 55m
0 stops
Amtrak
$53
9h 58m
2 stops
Amtrak Megabus