Fallout 3 locations project
The utility tunnels are a location in Fallout 3. You must go in there to get to the White House. With Broken Steel installed, you can use it to get to the Presidential metro and also to get inside the Capitol Building.
As soon as you go in, there is a room to the right full of loot. Go left, then right to get into the tunnels which lead to the White House.
The utility tunnels appear only in Fallout 3.