I-94 (County N interchange to Airport Road)

Cottage Grove to Lake Mills, Dane and Jefferson counties

Overview

The Wisconsin Department of Transportation (WisDOT) will improve 9.6-miles of I-94 in Dane and Jefferson counties. The project starts just east of the County N interchange and ends just east of the Airport Road overpass.
  • Construction schedule: March 3 - late November 2025
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