Mod:Tale of Two Wastelands/Union Station (quest)

Union Station is a new quest in Tale of Two Wastelands, which enables travel between the Capital and Mojave wastelands upon completion.

Detailed walkthrough
In the D.C. Metropolitan Ruins there exists a train station which has been left run down, but still remains in good condition. Enough so that when its power is restored, the Lone Wanderer can use it to travel to the Mojave Wasteland.

Locating Union Station
This quest is not given upon starting the game, one has to first locate Union Station themselves to start this quest.

The Mall
Starting from The Mall, head east towards the Capitol Building, then head north into the block which houses the National Archives. Go past the building, and enter The Mall Metro found behind the archives.

The Metro
Upon entering The Mall Metro, continue down the hallway on to the raised platform. Observe over the railing to the east, there should be a tunnel free of rubble. In Fallout 3, this tunnel was inaccessible. Go through this tunnel and enter the doorway at the end. You will enter a new interior, which Tale of Two Wastelands adds to the game. Continue down the hallways to the east and there will be an exit to Columbus Circle.

Columbus Circle
From the metro exit, go northeast and Union Station should be in clear view. Approaching the entrance will also unlock the map marker.

Note that the quest will not immediately start upon entering Union Station, you must either attempt to enter the inaccessible blast doors inside or explore Union Station until you find the reactor or browse the options in the reactor's terminal. Doing either one of these actions will add the quest to your Pip-Boy.