Babson College to Portland, ME buses and trains from $1

Or, see buses and trains from Portland, ME to Babson College.
Here are some trips other travelers have found on Routefriend.
$1
1h 54m
0 stops
Megabus
$20
2h 25m
0 stops
Amtrak
$?
1h 55m
0 stops
Amtrak