Highway 93 (or Route 93 or the 93) is an old freeway in the Mojave Wasteland.
Layout
Highway 93 enters Nevada near Hoover Dam, then heads north through Boulder City and 188 Trading Post, towards Las Vegas. The route merges with Highway 95 southeast New Vegas, then continues north concurrently with I-15 through North New Vegas. Outside of the New Vegas area past Nellis AFB, US 93 diverges from I-15 to head further north and runs through Caliente.
Notes
In 2281, it's not a frequently traveled like I-15 and Highway 95 are. Deathclaws may spawn around Lake Mead depending on the player's level.
Appearances
Highway 93 appears in Fallout: New Vegas and is mentioned in Honest Hearts.
Behind the scenes
Highway 93 is the real-life U.S. Route 93.