DATE: Friday, September 18, 2026

SPECIAL ANNOUNCEMENT: The new Diverging Diamond Interchange (DDI) is now open! Traffic on U.S. Route 2/7 (U.S. 2/7) at the I-89 Exit 16 Interchange in Colchester has transitioned to the new traffic pattern. Drivers should stay alert, slow down, and pay close attention to roadway markings, signage, traffic signals, and traffic control personnel as construction activities continue and motorists become accustomed to the new traffic pattern. To learn more about DDIs and how to navigate them, visit the project website. 

TRAFFIC IMPACT AND DURATION: Daily, starting the morning of Monday, September 21, through the afternoon on Friday, September 25, between 9 a.m. and 3 p.m. unless otherwise noted:

• Lane closures along either side of U.S. 2/7 between South Park Drive and Mountain View Drive. Two-way traffic will be maintained. The traffic signals within the interchange will continue to be operational and control crossover traffic.
• Periodic lane closures controlled by flaggers at the intersection of Tigan Street and U.S. 2/7. Traffic will be maintained in all directions.

CONSTRUCTION ACTIVITIES: Daytime work will take place between 7 a.m. and 3 p.m., starting the morning of Monday, September 21, through the afternoon on Friday, September 25. Throughout the week, crews will be working to install the center islands along U.S. 2/7 and the splitter islands on the interstate ramps within the Exit 16 Diverging Diamond Interchange. Crews will be installing temporary traffic signals at the intersection of Tigan Street and U.S. 2/7.

Photo courtesy of the City of Winooski.

The Exit 16 DDI is now open. Crews will be working to construct the center and splitter islands in the coming weeks.

LOCATION: U.S. Routes 2/7 in Colchester starting at the Winooski town line and continuing north for 1.05 miles to Sunderland Woods Road.

PROJECT COMPLETION: Contract 1: Fall 2023 | Contract 2: Summer 2027

NEARBY CONSTRUCTION PROJECT HIGHLIGHTS:

City of Winooski Main Street Revitalization Project

• Project Area: Main Street in Winooski, between the railroad bridge near Maple Street and the Colchester town line near Checkerbay Carwash
• Next week: Crews will continue conducting general clean up and punch list work throughout the project limits.  
• Traffic Impacts:
• Monday – Friday, 7 AM to 7 PM | Main Street within the project limits may have intermittent shoulder closures, with most of the work conducted off the roadway.
• Project website
• Construction: Spring 2024 – Summer 2026

This video provides an overview of the Exit 16 DDI project, discusses the benefits of the Diverging Diamond Interchange design, and demonstrates how drivers, cyclists and pedestrians navigate the new traffic pattern in Colchester, VT.

Watch now!

VTrans is committed to providing a comprehensive and robust communications and public outreach program as part of this project. 

The project website has been upgraded to include a translation feature with the ability to automatically translate website content into 11 languages. 

In addition, the website is now home to a translated materials tab which includes several frequently asked questions and answers that have been translated into 11 languages with help from trained interpreters and translators from AALV in Burlington, Vermont. 

View now!



CONTACT US:

Project Hotline: 802-595-4399

Project email address: info@Exit16DDI.vtransprojects.vermont.gov