US 12 - Wallula to Nine Mile Hill - Build New Highway - Project map

US 12 Phase 8 map

This map shows Phase 8 to complete the approximately 10 miles of new four-lane divided highway that remain between Boise Inc. and Nine Mile Hill after Phase 7 is finished. After Phase 8 is complete, WSDOT and the US Highway 12 Coalition will have made significant progress towards building US 12 out to four-lanes from the Snake River (near Burbank) to Walla Walla.