I-80

The I-80 is a roadway in the former United States.

Layout
Jed Masterson mentions that there are only two ways to traverse to Salt Lake City, one of which is "the old I-80."

Appearances
I-80 is mentioned only in Fallout: New Vegas and its add-on Honest Hearts.

Behind the scenes
Joshua Sawyer mentioned that a stretch of I-80 is home to nomadic raiders dubbed the 80s due to the use of highway signs as armor and indication of rank.