Compared to a lot of other freeways, Interstate 8 is pretty short, extending only 178 miles into Arizona.

Construction began on Interstate 8 in the 1960s, and the freeway was completed in 1978. Most of the freeway travels through the Sonoran Desert and can look pretty empty and barren at times. When it was built, the Interstate largely followed the same path as Highways 80 and 84. Since the freeway traveled largely along the same path as the older highways and the route of the Southern Pacific Railroad, there is a lot of history to be found.

Unfortunately a lot of that history is unmarked and hidden. In this video we take a look at some of the hidden history on Interstate 8 in Arizona.

Railroad map credit davidrumsey.com. All other maps credit Google.

00:00 Intro
00:41 B-17 Bomber Memorial
03:24 Yuma / Maricopa Border Monument
04:59 Sentinel Train Depot
06:45 Big Horn Station
08:21 Corona Spy Satelite Markers

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