Note: Dates are subject to change.

Current/Future

2019-2021

• Download the 2019 Construction Guide.

• Read the Weekly Construction Update.
  • Southbound Interstate expansion from Madison to north of Edgerton.
  • I-39/90 reconstruction and expansion underway, Janesville to Edgerton.
  • Interstate construction begins at WIS 26 and US 14 interchanges, Janesville.
  • Construction on I-39/90 between Beloit and Janesville, Rock County.
  • Reconstruction and expansion on I-39/90 and I-43 in Beloit.
• Construction schedule for I-39/90 Expansion Project.
  Note: Dates are subject to change.
  • North Segment – Edgerton to Madison
    Dane/Rock County line to US 12/18 (Beltline) interchange
    • Beltline interchange construction schedule
  • Central Segment – Janesville to Edgerton
    County O, south of Janesville, north to Dane/Rock County line
  • South Segment – Beloit to Janesville
    Illinois state line to County O, south of Janesville

Past

2019

• April 16, 2019 – South segment open house meeting, Beloit to Janesville.
• April 11, 2019 – North segment open house meeting, Edgerton to Madison.
• March 19, 2019 – Public meeting for I-39/90 expansion at WIS 26 and US 14 interchanges, Janesville.
  • View presentation, handouts and maps/exhibits

2018

• December 13, 2018 – Public hearing for I-39/90 and US 12/18 (Beltline) interchange near Madison.
  • View maps/exhibits, handout and presentation.
• April 19, 2018 – South segment open house meeting, Beloit to Janesville.
• April 17, 2018 – Public meeting for I-39/90 and US 12/18 (Beltline) interchange, Madison.
  • View maps/exhibits, handout and presentation.
  • Submit comments by May 1, 2018.
• March 20, 2018 – North segment open house meeting, Edgerton to Madison.
• March 12, 2018 – Central segment open house meeting, Janesville to Edgerton.

2017

• December 6, 2017 –Business meeting for US 14/Humes Road reconstruction, between WIS 26/Milton Avenue and Deerfield Drive in Janesville.
  • View maps/exhibits
• April – December 2017 – I-39/90 and County N interchange reconstruction, north of Stoughton.
• June – November 2017 – Temporary widening on I-39/90 southbound from Madison to Edgerton, Dane County.
• March – November 2017 – I-39/90 northbound expansion, from Dane/Rock County line to East Church Road.
• Oct. 11 and 12, 2017 – Open house meetings for I-39/90 and County N interchange project.
• April – Sept. 2017 – Manogue Road bridge replacement over I-39/90, north of Janesville.
• March – Sept. 2017 – Temporary widening on I-39/90 southbound, Stateline Road bridge replacement, near Beloit.
• March – August 2017 – County AB bridge replacement over I-39/90, Dane County.
• August 22, 2017 – Public meeting for I-39/90 expansion, between Beloit and Janesville
• May 18, 2017 – Central segment open house meeting, Janesville to Edgerton.
• April 18, 2017 – Public meeting for I-39/90 and County N interchange
• April 3, 2017 – North segment open house meeting, Edgerton to Madison
• March 30, 2017 – South segment open house meeting, Beloit to Janesville

2016

• December 13, 2016 – County N interchange business meeting.
• December 7, 2016 – Janesville Business Meeting (Central segment).
• July – Dec. 2016 – Bridge replacements over I-39/90 in Dane County, near County N interchange.
  • County BN bridge, Church Street bridge and Williams Drive bridge
• July – Dec. 2016 – Temporary widening of I-39/90 southbound near Beloit, Woodman Road and Creek Road bridge replacements.
• Sept. 2015 – Nov. 2016 – I-39/90 and WIS 11 (Avalon Road) interchange reconstruction, south of Janesville.
  • WATCH the narrated animation video of Wisconsin’s first Diverging Diamond Interchange (DDI)!
• Sept. – Nov. 2016 – Safety improvements on WIS 140, north of Clinton.
• April – Nov. 2016 – Construction on I-39/90 near US 51 interchange, east of Stoughton.

• April 14, 2016 – South Segment Open House meeting, Beloit to Janesville.
• April 7, 2016 – Public Involvement Meeting (PIM) for I-39/90 and US 12/18 (Beltline) interchange.
• March – Dec. 2016 – I-39/90 bridge reconstruction over the Rock River, near Edgerton and Newville
• March – Nov. 2016 – I-39/90 and WIS 59 interchange reconstruction, near Edgerton and Newville.
  • WATCH the narrated animation video of the I-39/90 and WIS 59 interchange.
• March 22, 2016 – Central Segment Open House meeting, Janesville to Edgerton.
• March 16, 2016 – North Segment Open House meeting, Edgerton to Madison.
• Download the I-39/90 Project, 2016 Construction Guide!

2015

• December 8, 2015 – Janesville Business Meeting (Central segment).
• I-39/90 Project, 2015 construction activities.
  • Sept. 2015 – I-39/90 and WIS 11 (Avalon Road) interchange reconstruction began.
  • Aug./Sept. – Dec. 2015 – Two bridge replacement projects over I-39/90, north of Edgerton.
  • June – Nov. 2015 – WIS 73 and US 12/18 intersection construction, near Cambridge and Deerfield.
  • May – Dec. 2015 – County G (Prairie Avenue) reconstruction, north of Beloit.
  • April – Nov. 2015 – Reconfiguration of the I-39/90 and County S (Shopiere Road) interchange, north of Beloit.
  • April – Nov. 2015 – US 14 and US 51 alternate route improvements, Janesville to Edgerton.
  • April – Nov. 2015 – I-39/90 and WIS 73/US 51 interchange reconstruction.
• March 25, 2015 – South segment open house meeting (Beloit to Janesville).
• March 19, 2015 – Janesville Business Meeting (Central segment).
• March 5, 2015 – North segment open house meeting (Edgerton to Madison).
• March 4, 2015 – Central segment open house meeting (Janesville to Edgerton).
• Feb. 11, 2015 – Public hearing for I-39/90 and I-43 interchange near Beloit.

2010-2014

• View past outreach activities and construction projects.