http://www.angelfire.com/or3/oroads/ - http://www.angelfire.com/or3/oroads/
Historic facts, exit lists, and construction project information. |
Northwest Highways - http://nwhighways.amhosting.net/
Information and photos on roads in Washington, Oregon, Idaho, and northern California. |
Oregon Department of Transportation - http://www.oregon.gov/ODOT/
Current structural design, construction support, inspection and maintenance engineering of all State highway structures. |