US 12 Phase 8 Corridor Completion Project.

The last remaining two-lane section between Wallula and Nine Mile Hill will be transformed into a modern 10.6-mile, four-lane divided freeway. The project includes:

• A four-lane divided highway with 42-foot median
• 4-foot shoulders for safety
• Modern interchange
• Upgraded drainage, geometry, and safety features
• Improved freight mobility and reduced congestion

Status:

• Partially Funded
• Estimated Total Project Cost: $351M
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