Washington, DC to Culpeper, VA buses and trains from $19

Or, see buses and trains from Culpeper, VA to Washington, DC.
Here are some trips other travelers have found on Routefriend.
$19
1h 25m
0 stops
Amtrak
$113
10h 27m
1 stop
GotoBus Amtrak
$126
10h 57m
1 stop
Vamoose Amtrak
$170
10h 0m
1 stop
Amtrak Amtrak
$194
14h 0m
1 stop
GotoBus Amtrak
$194
14h 0m
1 stop
GotoBus Amtrak