US Route 730
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US Route 730 is a US route that runs between Boardman Junction and the Washington state line near Juniper, comprising of the easternmost portion of the Columbia River Highway #2. The highway continues into Washington, ending at US Route 12 at Wallula Junction. The total length of US-730 is 41.78 miles long, of which 35.7 miles is in Oregon, making it currently the shortest US route in the country. Originally proposed as US Route 420 in 1925 by AASHO, it was designated as its current number on November 11, 1926 along with the rest of the US route system; however, the underlying road wasn't fully constructed until the mid-1930s.
