Gettysburg, PA to Trenton, NJ buses and trains from $27

Or, see buses and trains from Trenton, NJ to Gettysburg, PA.
Here are some trips other travelers have found on Routefriend.
$27
2h 46m
1 stop
Amtrak NJTransit
$42
2h 12m
0 stops
Amtrak
$58
4h 7m
2 stops
Amtrak NJTransit
$68
4h 25m
1 stop
Amtrak NJTransit
$68
3h 9m
1 stop
Amtrak NJTransit
$77
3h 43m
1 stop
Amtrak NJTransit
$77
4h 25m
1 stop
Amtrak NJTransit