![]() A map of SR 155's area with the highway highlighted in red. | ||||
Route information | ||||
Auxiliary route of US 97 | ||||
Maintained by WSDOT | ||||
Length | 78.35 mi[1] (126.09 km) | |||
Existed | 1964–present | |||
Major junctions | ||||
South end | ![]() | |||
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North end | ![]() ![]() | |||
Location | ||||
Country | United States | |||
State | Washington | |||
Highway system | ||||
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State Route 155 is a state highway in the U.S. state of Washington, running from U.S. Route 2 near Coulee City over Disautel Pass to U.S. Route 97 and State Route 20 in the city of Omak. It is the main north–south route through the area around Grand Coulee Dam.