Historic Highway permits launch to contend with congestion (Portland Tribune, 5/24/2022)
Historic Columbia River Highway congestion and transportation safety improvement plan (2019) Oregon Department of Transportation
Historic Highway permits launch to contend with congestion (Portland Tribune, 5/24/2022)
Historic Columbia River Highway congestion and transportation safety improvement plan (2019) Oregon Department of Transportation
Boring news: Crews punching a tunnel through Oregon cliffside (KMTR, 1/15/2022)
Reconnecting the Historic Columbia River Highway State Trail (2015) Oregon Department of Transportation
Final report: Mitchell Point feasibility & cost study (2015) Oregon Department of Transportation
Work starts on Gorge highway tunnel closed for 70 years (Portland Tribune, 4/24/21)
Final report: Mitchell Point feasibility & cost study [PDF] (2015) Oregon Department of Transportation
Reconnecting the Historic Columbia River Highway State Trail [PDF] (2015) Oregon Department of Transportation
Historic Highway still recovering from Eagle Creek fire (Portland Tribune, 11/17/2020)
The Historic Columbia River Highway : preserving and restoring the continuity and historic integrity (2017) Oregon Department of Transportation
Historic Columbia River Highway, 1916-2016 : celebrating 100 years : adventure around every corner! (2016) Oregon Department of Transportation
Historic Columbia River Highway State Trail Opening Three More Miles of Connectivity in the Gorge (PR Newswire, 7/26/2019)
The Historic Columbia River Highway & State Trail progress report (serial) Oregon Department of Transportation
Reconnecting the Historic Columbia River Highway State Trail (2015) Oregon Department of Transportation
Gorge traffic tie-ups spawn changes and more likely on the way (KATU, 7/17/2019)
Historic Columbia River Highway congestion and transportation safety improvement plan (2019) Oregon Department of Transportation
Making historic gorge highway a one-way? Options to ease congestion studied (Oregonian, 5/17/2018)
Historic Columbia River Highway master plan (2006) Oregon Department of Transportation
The Columbia River Highway is turning 100 (Portland Tribune, 6/3/2016)
In centennial style, Oregon celebrates Columbia River Highway (Oregonian, 6/7/2016)
Happy 100th, Columbia River Highway! (Portland Tribune, 6/7/2016)
Historic Columbia River Highway centennial celebration fact sheet [PDF] (2016) Oregon Department of Transportation
A poem in stone : celebrating the Historic Columbia River Highway [PDF] (2016) Oregon State Library
Historic Columbia River Highway, 1916-2016 : celebrating 100 years : adventure around every corner! [PDF] (2016) Oregon State Parks and Recreation Department
Throwback Thursday: Multnomah County vote played key role in Scenic Highway (Oregonian, 4/10/2015)
Historic Columbia River Highway : oral history [PDF] (2009) Oregon Department of Transportation
Bikers Can Now Travel Troutdale To Cascade Locks On State Trail (OPB, 11/14/2013)
Historic Columbia River Highway State Trail opens Moffett Creek section (Oregonian, 11/15/2013)
Historic Columbia River Highway bike map [PDF] (2013) Oregon State Parks and Recreation Department
The Historic Columbia River Highway State Trail news (serial) Oregon Department of Transportation
Columbia River Gorge state parks & Historic Columbia River Highway State Trail [PDF] (2007) Oregon State Parks and Recreation Department