While no official date has been stated for the beginning and/or finishing of this major reconstruction project, I can tell you that DDI's have already been installed in a few other Illinois cities like Springfield, and they have proven to be not only more cost-effective but much safer too. When WIll the I-39 Corridor Reconstruction Begin? Pedestrian and Bike-Friendly: DDIs are also more pedestrian and bike-friendly because they provide sidewalks and bike lanes on both sides of the road.Reduced Construction Costs: DDIs are generally less expensive to construct than traditional interchanges because they require fewer bridges and less land.They also usually allow drivers to move through the interchange at a higher speed. Improved Traffic Flow: DDIs improve traffic flow by reducing congestion and increasing capacity.Increased Safety: DDIs decrease the potential for accidents by eliminating left-turn conflicts and reducing the number of traffic signals where most accidents take place.If you can't read all that small print or the example photo still looks confusing, here are the major benefits that come with a Diverging Diamond Interchange according to the U.S. Stay informed and register for project email updates at follow the I-39/90 Project Facebook page, /WisconsinI3990Project.Benefits Of a Diverging Diamond Interchange Motorists are reminded to be alert, obey the posted speed limit and drive with caution in all work zones. Periodic overnight ramp closures may occur at the I-39/90 and WIS 26 and US 14 interchanges.Īll lane restrictions, ramp closures, and work operations are weather dependent and subject to change. Nightly single lane closures may occur on the Interstate weeknights from 8 p.m. In the Janesville area, I-39/90 remains open to two lanes in each direction during daytime hours and weekends. Traffic exiting at WIS 26 or US 14 must merge off at one location and choose the appropriate ramp lane to their destination. This configuration separates high-speed Interstate through traffic from interchange traffic merging on and off I-39/90. Similar to I-39/90 northbound in Janesville, a Collector/Distributor (C/D) lane system will be constructed on I-39/90 southbound at the WIS 26 and US 14 interchanges – opening in early fall 2021. Motorists will be required to use alternate routes. Lane and turn restrictions are anticipated during this six-month project, as well as full closure of US 14 from Pontiac Drive to Milton Avenue. A sidewalk/shared used path will be built on each side as part of the project. In 2022, US 14/Humes Road will be reconstructed to an urban roadway between Deerfield Drive and WIS 26/Milton Avenue.The I-39/90 and US 14/Humes Road interchange will be reconfigured to a diamond interchange with traffic signals.More information on the WIS 26 DDI can be found at. 127mi From Normal to Rockford (Exit 2 to Exit 122) 1 hour 59 mins travel time (instead of 1 hour 51 mins ) 8 minutes Delay.Wisconsin’s first DDI opened in fall 2016 at the I-39/90 and WIS 11/Avalon Road, south of Janesville. I-39 Constructors a partnership formed by Hoffman Construction, of Black River Falls, and Rock Road Cos.The I-39/90 and WIS 26/Milton Avenue interchange will be reconstructed into a Diverging Diamond Interchange (DDI).Advanced notice of these ramp closures will be announced to area media, as well as posted on the I-39/90 project website, and project Facebook page, /WisconsinI3990Project. Short- and long-term ramp closures are expected this summer at the WIS 26/Milton Avenue and US 14/Humes Road interchanges. Two lanes will remain open in each direction however, motorists should anticipate backups and delays during peak travel times. Crews will begin to build the Diverging Diamond Interchange (DDI). By mid-March, all WIS 26 traffic will shift onto the northbound lanes between Morse Street and John Paul Road. on WIS 26/Milton Avenue between Morse Street and John Paul Road. Nightly lane closures are anticipated this week from 9 p.m. This section of work is anticipated to be completed in late November 2021. This year, crews will finish reconstructing and expanding I-39/90 southbound from Kennedy Road, north of the WIS 26 interchange (Exit 171A), to the I-39/90 and US 14 interchange (Exit 171B) as well as completing the two I-39/90 interchanges. Schedule: Late summer/fall 2022 - Spring 2024. The existing ramps will be reconfigured into a diamond interchange with roundabouts at the terminals, and WIS 60 will be reconstructed from Sunset Drive to Pine Hollow Road. Motorists are reminded to be alert and drive with caution through all work zones.Īs the spring season approaches, Interstate 39/90 construction will begin the final season for the Janesville area. This project will replace the interstate bridges on I-39/90/94 at WIS 60, in Columbia County.
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