U.S. Route 166
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U.S. Route 166 is a 164-mile east–west United States highway. This route and US 266 are the only two remaining spurs of historic U.S. Route 66, since US 666 was renumbered to US 491 in 2003.
US-166's western terminus in South Haven, Kansas
US 166's eastern terminus approaching I-44 in Newton County, Missouri
US 166 and US 400 at the terminus of K-26
U.S. Route 491
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U.S. Route 491 is a north–south U.S. Highway serving the Four Corners region of the United States. It was created in 2003 as a renumbering of U.S. Route 666. With the US 666 designation, the road was
U.S. Route 166
…United States highway. This route and US 266 are the only two remaining spurs of historic U.S. Route 66 (which was decommissioned in 1985), since US 666 was renumbered to US 491 in 2003. US 166 meets the old route of US 66, now designated US 69 Alternate, in Baxter Springs in the southeast corner of…
Gallup, New Mexico
Visitors touring Mesa Verde National Park, along US 491
The Abajo Mountains near Monticello
Old and new route number at the intersection with US 191 in Monticello