I-43 (WIS 60 - Silver Spring Dr.) North-South Corridor, Need/purpose

I-43 (WIS 60 - Silver Spring Dr.) North-South Corridor

Need/purpose

Schedule

Maps

Environmental documents

Public involvement

Contacts

I-43 (Silver Spring Dr.-WIS 60) North-South Corridor - Need/purpose

I-43 Draft Purpose and Need Document

The purpose of this study is to address:

Emerging pavement and structural needs
Safety issues
Design deficiencies, including clearance at bridges, visibility, and merging and weaving distances
Existing and projected traffic volumes

This study will evaluate:

No build alternative
Replacing deteriorating pavement and bridges
Reducing congestion and improving safety
Providing efficient freeway operations
Improving or replacing existing interchanges
Potential new interchange at Highland Road
Minimizing impacts to natural and built environments

Congestion and crashes

I-43 carries 49,000 vehicles per day south of WIS 60 and 85,460 vehicles per day north of Silver Spring Drive.

There is regular and significant congestion in the corridor today. Future projections show traffic growing to 65,000 vehicles per day south of WIS 60 and 112,500 vehicles per day just north of Silver Spring Drive by 2040.

There were a total of 1,087 crashes over a five year period between 2006 and 2010, including 4 fatal crashes.

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