The Corridors 2030 Backbone System consists of 1,580 miles of
freeways and expressways connecting major economic areas of the
state. This includes Wisconsinís 743 miles of Interstate highways.
While original Interstate construction is complete in Wisconsin,
lanes and interchanges may still be added when warranted by traffic
By 2030, all 1,580 miles of the Corridors 2030 Backbone System
are intended to be multi-lane.
Selecting backbone rehabilitation projects
The backbone rehabilitation program is developed based on
individual project recommendations from the regional offices.
Regions initially schedule projects based on individual project
needs and urgency. When necessary, the Bureau of State Highway
Programs sets project priorities and negotiates schedule
modifications with the regions to stay within program levels and
established departmental program priorities.
The Highways Programming Committee has overall responsibility for
Questions about the content of this
Bureau of State Highway Programs,
Last modified: July 17, 2012
State Highway Rehabilitation Subprogram components: