Iowa LTAP's sponsors help fund administrative and other activities.
The Iowa Department of Transportation (DOT) advocates and delivers transportation services that support the economic, environmental and social vitality of Iowa.
The Iowa Highway Research Board (IHRB) provides guidance and oversight for the use of the Secondary Road Research funds.
The Federal Highway Administration (FHWA) supports state and local governments in the design, construction, and maintenance of the nation's highway system and various federally and tribal owned lands.
Iowa State University Extension and Outreach helps carry Iowa State's land-grant mission beyond campus, to be the university that best serves the citizens of Iowa.