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1. From Historic Road to Trail Reconnecting the Historic Columbia River Highway State Trail
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2. Shellrock Mountain Reconnecting the Historic Columbia River Highway State Trail
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2016-03 Columbia River Gorge
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2018 Executive summary Historic Columbia River Highway congestion and transportation safety improvement plan. Existing conditions
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2018 Historic Columbia River Highway congestion and transportation safety improvement plan. Existing conditions
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2018-12 Columbia River Gorge visitor guide
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2019-01 draft Historic Columbia River Highway congestion and transportation safety improvement plan
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2019-06 appendices Historic Columbia River Highway congestion and transportation safety improvement plan
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2019-06 final Historic Columbia River Highway congestion and transportation safety improvement plan
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2024 Historic Columbia River Highway State Trail ... reconnection report
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2025 Columbia River Gorge construction : I-84 & U.S. 30 (Historic Columbia River Highway). Preserving access to Multnomah Falls
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2025 Historic Columbia River Highway State Trail ... reconnection report
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2026 Historic Columbia River Highway State Trail ... reconnection report
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2026 Spring Columbia River Gorge construction: I-84 & U.S. 30 (Historic Columbia River Highway). McCord Creek bridge replacement
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2026-02 Columbia River Gorge construction: I-84 & U.S. 30 (Historic Columbia River Highway)
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3. The Mossy Road Reconnecting the Historic Columbia River Highway State Trail
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4. The Final Five Reconnecting the Historic Columbia River Highway State Trail
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5. The Mitchell Point Tunnel Reconnecting the Historic Columbia River Highway State Trail
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6. Benefitting Communities Reconnecting the Historic Columbia River Highway State Trail
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A study of the Historic Columbia River Highway
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Columbia River Gorge state parks & Historic Columbia River Highway State Trail
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Columbia River Gorge state parks, & Historic Columbia River Highway State Trail
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Columbia River Highway guidelines for maintenance: Columbia River Highway Project
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Construcción en la Garganta del río Columbia: I-84 y U.S. 30 (Carretera histórica del río Columbia)
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