Interstate Highway standards
Design standards for the Interstate Highway System in the United States / From Wikipedia, the free encyclopedia
Standards for Interstate Highways in the United States are defined by the American Association of State Highway and Transportation Officials (AASHTO) in the publication A Policy on Design Standards: Interstate System. For a certain highway to be considered an Interstate Highway, it must meet these construction requirements or obtain a waiver from the Federal Highway Administration.
![]() | This article may be too technical for most readers to understand. (June 2011) |