Monorail

* Locations:
** Monorail train wreckage, an unmarked location in the Capital Wasteland, northeast of Germantown police HQ in Fallout 3.
** Broken monorail, an unmarked location, part of Haymarket Mall in Fallout 4.
** Monorail tunnel, an unmarked location in Nuka-World.
** Monorail elevator, a location in Fallout 76.
* Vehicles:
** Monorail (Fallout: Brotherhood of Steel), the escape vehicle during the endgame in Fallout: Brotherhood of Steel.
** Monorail (Fallout 3), the monorail system traversing the Capital Wasteland in Fallout 3.
** Monorail (Fallout: New Vegas), a vehicle that can transport the player character to and from the Strip and Camp McCarran in Fallout: New Vegas.
** Boston monorail system, the monorail system traversing Boston in Fallout 4.
** Nuka-Express, a monorail that connects the Commonwealth with the Nuka-World amusement park in the Fallout 4 add-on Nuka-World.
** Appalachian monorail, a monorail line in Fallout 76 that connected RobCo Research Center, Watoga, Spruce Knob and Garrahan Mining Headquarters. 
** Morgantown monorail, a monorail line connecting Morgantown locations such as the Morgantown Airport and Vault-Tec University stations.
* Items:
** Monorail sabotage plans, a holotape in Fallout: New Vegas.
** Monorail maintenance log 30045, a holotape in Fallout 76.