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US 420 at US Ends.com
| US 420 renumbered | ||||
| Previous US 420's: Final ROUTE LOG (420 #1) US 20: 0 - 0 WA STATE LINE: 22 - 22 US 410: 5 - 27 Final ROUTE LOG (420 #2) US 20: 0 - 0 US 310: 43 - 43 |
US 420 #1: Appeared in the original 1925 plan, running from US 20 (now River Rd) Umatilla OR to US 410 (now US 12) Wallula Jct WA.
In January 1926 (AASHO), as part of US 30 being rerouted over US 20 to head to Astoria OR, US 420 became US 730. US 420 #2: Created in January 1926 (AASHO) as a renumbering of US 220, running from US 20 Cody WY to US 310 near Deaver WY.
In June 1933 (AASHO), US 420 was renumbered as US 116. Today, Cody to Garland is US 14 ALT (except CR 2DA east of Cody and abandoned alignment on the west side surrounding the Shoshone River crossing); Garland to Deaver is WY 114 (except a 1-mile abandoned segment on the east side at Polecat Creek and the railroad bridge; US 420 used 1st to Central north to US 310).
 1934 Gallup | |||
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Page last modified 22 April 2026