Current route in Arizona: Defunct
Current route nationally: Logan, UT to Idaho Falls, ID

Historical route in Arizona: NV line near Littlefield to UT line near Littlefield
Existed: 1927 - 1974

The above is a replica of a "classic" US shield design. By the time it was decertified, US 91 would have used a modern design.

US 91 was replaced by I-15, though US 91 took a more roundabout route to St. George, UT. The old highway still exists as Mohave County 91.

The old road as it enters Arizona. There an old footing for a big sign that would have been the "Welcome to Arizona" sign.

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Last updated 7/24/2004