SR 125 (trunk)
SR 125 begins at the Oregon-Washington state line and heads north via Walla Walla to Jct SR 124 west of Prescott. At the state line, OR 11 connects with SR 125 and heads southwest via Milton-Freewater to Pendleton. SR 125 is 23.65 miles long.
Before 1964, SR 125 from the Oregon state line to Walla Walla had been the Walla Walla branch of PSH 3 and from Walla Walla to Jct SR 124, part of SSH 3E.
SR 125 Spur
SR 125 Spur, 0.67 miles long, connects SR 125 with US 12 in Walla Walla.
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