The Monorail is a vehicle that can be used to transport the player character from The Strip to Camp McCarran or vice versa. As with most vehicles, except for the Presidential Metro in the Fallout 3add-onBroken Steel, travel is not seen.
To use the monorail, the player must have a "Liked" reputation with the New California Republic or be wearing NCR faction armor. It's also possible to enter with Boone as a companion.
It is possible to enter the car in-game when you are in the quest I Put a Spell on You, where you plant or disarm a bomb inside the vent. It is not however possible to walk along the top of the track.
Notes
During the mission I Put a Spell on You a pre-recorded announcement, likely from before the war, can be heard reminding passengers to keep children restrained when the monorail is in motion.
