Marion County Department of Transportation

Find Marion County Oregon departments of transportation, highways, roads, and bridge departments. Departments of transportation provide information on public transport, including roads, highways, bridges, traffic conditions, closures, tolls and travel information.


Detroit Transportation Department 600 North Santiam Highway Detroit OR 97342 503-854-3429


Marion County Road Maintenance 8900 Mill Creek Road Southeast Aumsville OR 97325 503-749-1996

Oregon Department of Transportation 800 Airport Road Southeast Salem OR 97301 503-986-3000

Oregon Department of Transportation 355 Capitol Street Northeast Salem OR 97301 503-986-3289

Oregon Department of Transportation 885 Airport Road Southeast Salem OR 97301 503-986-2874

Oregon Department of Transportation 455 Airport Road Southeast Salem OR 97301 503-986-2600

Oregon Department of Transportation 355 Capitol Street Northeast Salem OR 97301 503-986-3568

Oregon Department of Transportation 555 13th Street Northeast Salem OR 97301 503-986-4321

Oregon State Department of Transportation 455 Airport Road Southeast Salem OR 97301 503-986-5767

Oregon Transportation Safety 4040 Fairview Industrial Drive Southeast Salem OR 97302 503-986-4190

Salem Transportation Department 2445 Liberty Street Northeast Salem OR 97301 503-986-2645

About Marion County Departments of Transportation

Marion County Departments of Transportation are branches of Oregon State, Marion County, or Federal government whose mission is to plan for and develop a fast, efficient, accessible, and convenient transportation system and infrastructure that effectively serves the citizenry and promotes economic vitality in Marion County, OR.

You may contact the Department of Transportation for questions about:
  • Marion County DOT compliance training
  • DOT number lookups
  • Road, interstate and highway traffic and closures
  • Road toll and travel information
  • Marion County Transportation Dept jobs and employment
Marion County Department of Transportation

Marion County Transportation Departments are responsible for maintaining and improving transportation infrastructure, including state roads and highways, bridges, airports, ports and waterways, public transit systems, and railways in Marion County. Infrastructure maintenance often involves emergency response to accidents, disasters, and inclement weather such as winter storms. Marion County DOT Offices manages the allocation of Federal and Oregon State funding for Marion County transportation capital improvements and the use of any Oregon funding sources dedicated for transportation purposes, such as toll proceeds and fuel taxes.

US Department of Transportation

The U.S. Department of Transportation (USDOT) is a cabinet-level department headed by the Secretary of Transportation. The department is comprised of eleven offices and administrations primarily organized around modes of transportation. Much of what USDOT does is regulatory in nature. For example, the National Highway Traffic Safety Administration develops regulations for motor vehicle safety and for fuel efficiency standards in Marion County. The Pipeline and Hazardous Materials Safety Administration regulates the nation's pipeline infrastructure and shipments of hazardous material by land, sea, and air.

Marion County Transportation Projects

The USDOT is a major source of funding for transportation capital projects, especially transit and highway projects in Marion County, OR. The Surface Transportation Program provides Oregon State and local Marion County governments approximately $10 billion annually in flexible funding for a wide range of improvements, as well as capital planning purposes.