Washington State Route 129

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State Route 129
Auxiliary route of US 12
Maintained by WSDOT
Length: 42.55 mi[1] (68.48 km)
Formed: 1964
North end: US 12 in Clarkston
South end: Continues as OR 3
State highways in Washington
< SR 128 SR 131 >
Lists: current - Interstates - 1937-70 - 1964 renumbering

State Route 129 is a state highway in the U.S. state of Washington, running from U.S. Route 12 in Clarkston then going south to OR 3. SR 129 Spur connects SR 129 with westbound US 12, as SR 129 follows Diagonal Street to US 12 near the Idaho state line.

Before 1964, SR 129 was part of Primary State Highway 3.

[edit] Major intersections

Washington SR 129
Washington SR 129

The entire route is in Walla Walla County.

Location Mile[1] Destinations Notes
0.00 Oregon state line
40.83 Southway Interchange
Clarkston 42.17 To US 12 west (via SR 129 Spur) – Walla Walla
42.55 US 12 east – Lewiston

[edit] References