Worcester, MA to Stamford, CT buses and trains from $38

Or, see buses and trains from Stamford, CT to Worcester, MA.
Here are some trips other travelers have found on Routefriend.
$38
4h 55m
2 stops
Amtrak Metro-North
$55
4h 30m
1 stop
Amtrak
$63
9h 19m
3 stops
Amtrak Metro-North
$69
4h 55m
2 stops
Amtrak Metro-North
$?
11h 49m
2 stops
Amtrak Metro-North
$?
11h 12m
2 stops
Amtrak Metro-North