"The Columbia River Gorge National Scenic Area (CRGNSA) Management Plan has vegetation management along the CRH as an objective in its 'Scenic Resources Enhancement Strategies.' ODOT and other agencies developed a 'Corridor Visual Inventory' in 1990 that addresses vegetation removal and management strategies for the CRH (Historic Columbia River Highway), Interstate 84, and Washington State Route 14 (following the Columbia’s north shore), to recapture the majestic views possible from these highways when they were constructed. Some of the vistas, obscured for decades, have been reclaimed along the highway."