Endicott College to Carnegie Mellon University buses and trains from $69

Here are some trips other travelers have found on Routefriend.
$69
12h 49m
1 stop
Greyhound
$93
18h 10m
3 stops
Amtrak Greyhound
$94
18h 10m
2 stops
Amtrak Greyhound
$102
13h 55m
1 stop
Amtrak