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| US 666 Temp collateral damage | ||||
| Previous US 666 Temp's: Final ROUTE LOG US 666: 0 - 0 US 666: 15.6 - 15.6 |
US 666 Temp: Created in October 1974 (AZDOT) as a new alignment of US 666 from the first hairpin north of Clifton to about Chester Gulch as the highway was rerouted to accomodate the Morenci Mine. The new route was US 666 Temp on maps and in logbooks, while the US 666 routing through the mine area was abandoned (obliterated today).
When US 666 was renumbered as US 191 in June 1992 (AASHTO), US 666 Temp became US 191 Temp. Today, this routing used existing roadway (still used by US 191 Temp) to just before the second tunnel, then used a private road that has now been again bypassed. Some of Eagle Creek Rd was the route; a tiny bit of the current route just past the bridge over mine roads; the northernmost 3/4 mile of the original 1973 bypass/temp route. Maps stopped explicitly showing TEMP in this area, but the most recent AZDOT route log still shows US 191 Temp here.
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Page last modified 31 December 2025