Rochester Institute of Technology to Rensselaer Polytechnic Institute buses and trains from $44

Here are some trips other travelers have found on Routefriend.
$44
4h 13m
0 stops
Amtrak
$102
11h 1m
1 stop
Amtrak Amtrak
$103
9h 40m
1 stop
GotoBus Amtrak