Boston, MA to Carnegie Mellon University buses and trains from $93

Or, see buses and trains from Carnegie Mellon University to Boston, MA.
Here are some trips other travelers have found on Routefriend.
$93
18h 10m
3 stops
Amtrak Greyhound
$94
18h 10m
2 stops
Amtrak Greyhound
$102
13h 55m
1 stop
Amtrak