Johnson County Department of Transportation

Find Johnson County Iowa 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.


Coralville Department Of Transportation 2600 Coral Ridge Avenue Coralville IA 52241 319-626-2386


Iowa City Transport Department 1700 South 1st Avenue Iowa IA 52240 319-338-5294

About Johnson County Departments of Transportation

Johnson County Departments of Transportation are branches of Iowa State, Johnson 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 Johnson County, IA.

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

Johnson 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 Johnson County. Infrastructure maintenance often involves emergency response to accidents, disasters, and inclement weather such as winter storms. Johnson County DOT Offices manages the allocation of Federal and Iowa State funding for Johnson County transportation capital improvements and the use of any Iowa 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 Johnson County. The Pipeline and Hazardous Materials Safety Administration regulates the nation's pipeline infrastructure and shipments of hazardous material by land, sea, and air.

Johnson County Transportation Projects

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