AMP: Freewater Hwy #339/2
Location: OR 339 and Sunnyside Rd, Umatilla Cty
No reassurance shield after the 332 junction.
AMP: 0
Location: OR 339 and State Line Rd, Umatilla Cty
A couple miles later, Oregon 339 ends at State Line Rd, which saddles the state line. Stay straight to head up into Walla Walla County, Washington.
W to WA State Line, E to OR 11