Ada County Highway District

Jefferson and Madison, Whitewater Park Boulevard to 27th Street

Project Update as of 9/15/17:  Jefferson, 29th to Whitewater Park Boulevard is delayed pending sewer work at Whittier Elementary School. Sewer work started August 14th. The road will be closed during sewer work. Concrete improvements will be done in September. Roadway work will be done during school in-service, October 5th-8th. Paving is complete on Jefferson, 27th to 29th. Concrete work on Madison started August 3rd and is on-going. Roadway work on Madison, 29th to Whitewater Park Boulevard is scheduled for the week of September 18th. Roadway work on Madison, 27th to 29th is scheduled for the week of September 25th.

General Description:
In June, the Ada County Highway District will begin construction to repave both Jefferson Street and Madison Street between Whitewater Park Boulevard and 27th Street. Pedestrian ramps will be improved, and sidewalk will be added to both streets.

Project Purpose:

  • Improve the structure of the roadway, extending the lives of both streets
  • Enhance pedestrian connectivity

At various points through construction, one or
the other street may be closed (but not both at
the same time.) Detour routes will be posted.
Construction is expected to be complete by

Time Frame


Start Date:
June 2017
End Date:
August 2017

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