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Six Year Highway Improvement Program

Major Highway Subprogram

SHR subprogram

Project information

Contacts

Backbone rehabilitation

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 conditions.

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 the program.

State Highway Rehabilitation Subprogram components:

Existing highways

State bridges

Backbone rehabilitation

 

 


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