Lyon County Department of Transportation

Find Lyon 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.


Lyon County Secondary Road 4055 215th Street George IA 51237 712-475-2644


Rock Rapids Transportation Department Highway 1204 North 2nd Avenue East Rock Rapids IA 51246 712-472-2315

About Lyon County Departments of Transportation

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

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

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

Lyon County Transportation Projects

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